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Prerelease:Pokémon Gold and Silver/Pokémon Data/Base Stats

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This is a sub-page of Prerelease:Pokémon Gold and Silver/Pokémon Data.

The information in this article is pulled from the following files in the JP and KR sources:

Base Stats & Held Items
1999/04/01 Pokemon\wk\setup\mons2_org\SOURCE\MONSDATA\TRASH\MONSTBL.KIN KR
1999/04/13 Pokemon\wk\setup\mons2_org\SOURCE\MONSDATA\TRASH\MONSTBL.OLD KR
1999/04/23 Pokemon\wk\setup\mons2_org\SOURCE\MONSDATA\TRASH\MONSTBL.NEW KR
1999/07/18 Pokemon\wk\setup\mons2_org\SOURCE\MONSDATA\BACKUP\MONSTBL.DAT KR
1999/07/30 Document\ダケモン金銀\資料old\PM2 personal ver3.5.xls JP
1999/08/14 Document\ダケモン金銀\資料old\data\PM2 personal ver3.7.xls JP
1999/08/17 Spaceworld 1999 Demo (0x519BA in ROM). JP
1999/08/22 Document\ダケモン金銀\資料old\data3\PM2 personal ver4.2.xls JP
1999/08/30 Document\ダケモン金銀\資料old\あつしゅくー\PM2 personal ver4.5.xls.xls JP
1999/09/03 Pokemon\wk\setup\mons2_org\SOURCE\DATA\Monstbl.dat KR
1999/09/13 Document\ダケモン金銀\資料old\pm2data09012\PM2 personal ver5.0.xls JP
Evolution Conditions
1999/04/03 Pokemon\wk\setup\mons2_org\SOURCE\DATA\SHINKA.OLD KR
1999/07/21 Document\ダケモン金銀\資料old\shinka ver3.4.fmj JP
1999/08/16 Document\ダケモン金銀\資料old\data\shinka ver3.9.fmj JP
1999/08/23 Document\ダケモン金銀\資料old\data3\shinka ver4.4.fmj JP
1999/08/30 Pokemon\wk\setup\mons2_org\SOURCE\DATA\BACKUP\SHINKA.DAT KR

Base Stats (001-151)

Special Split Changes

1999/07/18 to 1999/07/30
Gen 1 Gen 2 (Early) Gen 2 (Final)
Special Sp. Atk Sp. Def Sp. Atk Sp. Def
Ekans 40 50 44 40 54
Arbok 65 85 69 65 79
Sandshrew 30 40 20 30
Sandslash 55 75 45 55
Clefairy 60 55 65 60 65
Clefable 85 95 85 90
Venonat 40 55 40 55
Venomoth 90 75 90 75
Mankey 35 45
Primeape 60 80 60 70
Machop 35 45 35
Machamp 65 90 65 85
Victreebel 100 105 60 100 60
Golem 55 65
Shellder 45 30 45 25
Cloyster 85 60 85 45
Rhydon 45 60 45
Staryu 70 40 70 55
Starmie 100 70 100 85
Gyarados 100 75 100 60 100
Vaporeon 110 70 95 110 95
Jolteon 110 70 95 110 95
Flareon 110 70 95 95 110
Aerodactyl 60 85 60 75
  • Most of the Pokémon changed between July 17th and July 30th had points taken out of either Special Attack or Special Defense, or, in the unfortunate case of the Sandslash line, points taken out of both.
There are a few exceptions: The Venonant line had its Special Attack and Special Defense stats swapped, Mankey and Golem received a 10 point bonus to Special Defense, while the Staryu line got a 15 point boost.
  • There are a few Pokémon here (Ekans line, Clefairy, Victreebel, the Generation I Eeveelutions) where neither their Special Attack nor their Special Defense match their Generation I special stat. These were all corrected by July 30th: This was a 40 point buff for the Eeveelutions and a 5 point buff for Clefairy, but both the Ekans line and Victreebel had their overall stats lowered.
Flareon then had its Special Attack and Special Defense stats swapped to better differentiate itself from Vaporeon and Jolteon.
1999/08/14 to 1999/08/22
Gen 1 Gen 2 (Early) Gen 2 (Final)
Special Sp. Atk Sp. Def Sp. Atk Sp. Def
Onix 30 30 60 30 45
  • Between August 14th and August 22nd, Onix lost 15 points in Special Defense. The exact same stat deduction happened to its evolved form Steelix.
1999/08/22 to 1999/08/30
Gen 1 Gen 2 (Early) Gen 2 (Final)
Special Sp. Atk Sp. Def Sp. Atk Sp. Def
Meowth 40 40 50 40 40
Persian 65 65 75 65 65
Abra 105 105 65 105 55
Kadabra 120 120 75 120 70
Tauros 70 50 70 40 70
  • By August 30th, the Meowth line, Abra, and Kadabra had their Special Defense stat reduced, while Tauros lost 10 points in Special Attack.
1999/09/13 to 1999/09/22
Gen 1 Gen 2 (Early) Gen 2 (Final)
Special Sp. Atk Sp. Def Sp. Atk Sp. Def
Lapras 95 95 95 85 95
  • One of the last two Pokémon to receive stat changes of any kind was Lapras, who lost 10 points in Special Attack.

Gender Ratios

1999/07/18 1999/07/30
Bulbsaur Line 50.0♂/50.0♀ 75.0♂/25.0♀
Charmander Line 50.0♂/50.0♀ 75.0♂/25.0♀
Squirtle Line 50.0♂/50.0♀ 75.0♂/25.0♀
Slowpoke Line 86.2♂/13.8♀ 50.0♂/50.0♀
Chansey 3.5♂/96.5♀ 100.0♀
Tauros 50.0♂/50.0♀ 100.0♂
Eeevee Line 50.0♂/50.0♀ 75.0♂/25.0♀
  • The Generation I starters and Eevee family originally had a 50/50 chance of being male or female. These were all by July 30th to be 75% male.
  • There are three Pokémon with odd gender value: Slowpoke and Slowbro have a gender value of 35, while Chansey has a gender value of 245. While Slowpoke and Slowbro might have been intentional, Chansey's was almost certainly a typo: The correct value, and the one used from July 30th on, is 254, which makes her 100% female.
  • Tauros was changed to be 100% male to match his 100% female counterpart, Miltank.
1999/08/14 1999/08/22
Clefairy Line 50.0♂/50.0♀ 75.0♂/25.0♀
Omanyte Line 50.0♂/50.0♀ 75.0♂/25.0♀
Kabuto Line 50.0♂/50.0♀ 75.0♂/25.0♀
Aerodactyl 50.0♂/50.0♀ 75.0♂/25.0♀
Snorlax 50.0♂/50.0♀ 75.0♂/25.0♀
  • Between August 14th and August 22nd, five sets of Pokémon, including all fossil Pokémon, changed from even gender splits to being 75% male.
1999/08/22 1999/08/30
Bulbsaur Line 75.0♂/25.0♀ 87.5♂/12.5♀
Charmander Line 75.0♂/25.0♀ 87.5♂/12.5♀
Squirtle Line 75.0♂/25.0♀ 87.5♂/12.5♀
Clefairy Line 75.0♂/25.0♀ 25.0♂/75.0♀
Vulpix Line 50.0♂/50.0♀ 25.0♂/75.0♀
Jigglypuff Line 50.0♂/50.0♀ 25.0♂/75.0♀
Growlithe Line 50.0♂/50.0♀ 75.0♂/25.0♀
Abra Line 50.0♂/50.0♀ 75.0♂/25.0♀
Machop Line 50.0♂/50.0♀ 75.0♂/25.0♀
Electabuzz 50.0♂/50.0♀ 75.0♂/25.0♀
Magmar 50.0♂/50.0♀ 75.0♂/25.0♀
Eevee Line 75.0♂/25.0♀ 87.5♂/12.5♀
Omanyte Line 75.0♂/25.0♀ 87.5♂/12.5♀
Kabuto Line 75.0♂/25.0♀ 87.5♂/12.5♀
Aerodactyl 75.0♂/25.0♀ 87.5♂/12.5♀
Snorlax 75.0♂/25.0♀ 87.5♂/12.5♀
  • At this point, every Pokémon family but one that was 75% male was skewed even further to 87.5% male. The one exception was the Clefairy line, which had its gender ratio reversed.
  • Five more groups were brought into the 75% male ratio: The Growlithe, Abra, and Machop lines, Magmar, and Electabuzz.
On the flip side, the Jigglypuff and Vulpix lines were changed to be 75% female.
1999/08/30 1999/09/13
Staryu Line 50.0♂/50.0♀ Genderless

Staryu and Starmie had a 50♂/50♀ gender ratio as late as September 3rd; it seems like making it genderless was a last-minute change. In fact, it was made so late that it still has egg moves even in the final game.

Miscellaneous

  • Magnemite and Magneton originally kept their pure Electric typing from Red and Blue. In the 1999/07/18 file they were, strangely, Electric/Normal, and by 1999/07/30 they finally got their secondary Steel typing.

Base Stats (152-251)

Unchanged Pokémon

The following 28 Pokémon have no differences in their typing, stats, gender ratio, or experience group:

  • Ledyba line
  • Chinchou line
  • Pichu
  • Natu line
  • Mareep line
  • Bellossom
  • Politoed
  • Hoppip line
  • Wooper
  • Wobbuffet
  • Forretress
  • Slugma
  • Mantine
  • Kingdra
  • Porygon2
  • Smeargle
  • Hitmontop
  • Smoochum
  • Larvitar and Pupitar

Chikorita Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Chikorita
1997/22/11 Grass 55 40 45 40 75 50 64 50.0♂/50.0♀ Medium Slow
1998/06/05 Grass 55 40 45 40 75 50 64 50.0♂/50.0♀ Medium Slow
1999/04/01 Grass 45 49 49 65 65 45 318 50.0♂/50.0♀ Medium Slow
1999/07/30 Grass 45 49 65 49 65 45 318 50.0♂/50.0♀ Medium Slow
1999/08/22 Grass 45 49 65 49 65 45 318 75.0♂/25.0♀ Medium Slow
1999/08/30 Grass 45 49 65 49 65 45 318 87.5♂/12.5♀ Medium Slow
Bayleef
1999/04/01 Grass 60 62 63 80 80 60 405 50.0♂/50.0♀ Medium Slow
1999/07/30 Grass 60 62 80 63 80 60 405 50.0♂/50.0♀ Medium Slow
1999/08/22 Grass 60 62 80 63 80 60 405 75.0♂/25.0♀ Medium Slow
1999/08/30 Grass 60 62 80 63 80 60 405 87.5♂/12.5♀ Medium Slow
Meganium
1999/04/01 Grass 80 82 83 100 100 80 525 50.0♂/50.0♀ Medium Slow
1999/07/30 Grass 80 82 100 83 100 80 525 50.0♂/50.0♀ Medium Slow
1999/08/22 Grass 80 82 100 83 100 80 525 75.0♂/25.0♀ Medium Slow
1999/08/30 Grass 80 82 100 83 100 80 525 87.5♂/12.5♀ Medium Slow

The Chikorita line has the exact same stat distribution as the Bulbasaur line in the April group. Later groups differentiate them by swapping the Defense and Special Attack stats. Like the Generation I starters, the gender ration went from being equal, to being 75% male, to being 87.5% male.

Cyndaquil Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Cyndaquil
1999/04/01 Fire 39 52 43 60 50 65 309 50.0♂/50.0♀ Medium Slow
1999/08/22 Fire 39 52 43 60 50 65 309 75.0♂/25.0♀ Medium Slow
1999/08/30 Fire 39 52 43 60 50 65 309 87.5♂/12.5♀ Medium Slow
Quilava
1999/04/01 Fire 58 64 58 80 65 80 405 50.0♂/50.0♀ Medium Slow
1999/08/22 Fire 58 64 58 80 65 80 405 75.0♂/25.0♀ Medium Slow
1999/08/30 Fire 58 64 58 80 65 80 405 87.5♂/12.5♀ Medium Slow
Typhlosion
1999/04/01 Fire 78 84 78 109 85 100 534 50.0♂/50.0♀ Medium Slow
1999/08/22 Fire 78 84 78 109 85 100 534 75.0♂/25.0♀ Medium Slow
1999/08/30 Fire 78 84 78 109 85 100 534 87.5♂/12.5♀ Medium Slow

Like the Chikorita line, the Cyndaquil line's stats are identical to their Generation I counterpart, the Charmander line. Unlike the Chikorita line, this was kept in the final game. The only change here is in the gender distribution.

Totodile Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Totodile
1999/04/01 Water 44 48 65 50 64 43 314 50.0♂/50.0♀ Medium Slow
1999/07/30 Water 50 65 64 44 48 43 314 50.0♂/50.0♀ Medium Slow
1999/08/22 Water 50 65 64 44 48 43 314 75.0♂/25.0♀ Medium Slow
1999/08/30 Water 50 65 64 44 48 43 314 87.5♂/12.5♀ Medium Slow
Croconaw
1999/04/01 Water 59 63 80 65 80 58 405 50.0♂/50.0♀ Medium Slow
1999/07/30 Water 65 80 80 59 63 58 405 50.0♂/50.0♀ Medium Slow
1999/08/22 Water 65 80 80 59 63 58 405 75.0♂/25.0♀ Medium Slow
1999/08/30 Water 65 80 80 59 63 58 405 87.5♂/12.5♀ Medium Slow
Feraligatr
1999/04/01 Water 79 83 100 85 105 78 530 50.0♂/50.0♀ Medium Slow
1999/07/30 Water 85 105 100 79 83 78 530 50.0♂/50.0♀ Medium Slow
1999/08/22 Water 85 105 100 79 83 78 530 75.0♂/25.0♀ Medium Slow
1999/08/30 Water 85 105 100 79 83 78 530 87.5♂/12.5♀ Medium Slow

They were really going all-out on the identical stat distributions early on, with the Totodile line directly mirroring the Squirtle line. Somewhere in July the stats were shuffled around, emphasizing HP and Attack over Special Attack and Special Defense. The same starter gender distribution changes apply here.

Sentret Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Sentret
1999/04/01 Normal 10 10 10 10 10 10 60 50.0♂/50.0♀ Medium Fast
1999/04/13 Normal 50 40 40 50 50 55 285 50.0♂/50.0♀ Medium Fast
1999/04/23 Normal 35 46 34 35 45 20 215 50.0♂/50.0♀ Medium Fast
Furret
1999/04/01 Normal 10 10 10 10 10 10 60 50.0♂/50.0♀ Medium Fast
1999/04/13 Normal 70 64 58 65 65 75 397 50.0♂/50.0♀ Medium Fast
1999/04/23 Normal 85 76 64 45 55 90 415 50.0♂/50.0♀ Medium Fast

Sentret and Furret are two of seven Pokémon that started with placeholder stats: Normal typing, 10 in every stat, a 50/50 gender ratio, and put in the Medium Fast experience group. Unlike the other five Pokémon, their stats were finalized fairly early on, April 23rd at the very latest.

Sentret's first real set of stats actually had it more inclined towards the special side rather than physical, though all of the starts were fairly balanced. Ten days later, it had lost a grand total of 70 base stat points: Speed was hit the hardest, followed by Special Attack and HP. The only stat it gained points in was Attack.

Furret was also more special oriented, though the difference between the physical and special stats wasn't as pronounced as it was in Sentret's case. It lost 20 points in base Special Attack and 10 in Special Defense in exchange for 15 more base HP, 12 more base Attack, 6 more base Defense, and 15 more base Speed, coming out ahead of its previous distribution by 18 points.

Hoothoot Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Hoothoot
1999/04/01 Normal Flying 60 30 30 45 45 50 260 50.0♂/50.0♀ Medium Fast
1999/07/30 Normal Flying 60 30 30 36 56 50 262 50.0♂/50.0♀ Medium Fast
Noctowl
1999/04/01 Normal Flying 100 50 50 85 85 70 440 50.0♂/50.0♀ Medium Fast
1999/07/30 Normal Flying 100 50 50 76 96 70 442 50.0♂/50.0♀ Medium Fast

The Hootline line originally had equal base Special Attack and Special Defense. Later, 10 points from Special Attack were put into Special Defense, and then they added 1 point to each. 1 point. One.

Spinarak Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Spinarak
1999/04/01 Bug Poison 40 60 40 35 35 30 240 50.0♂/50.0♀ Fast
1999/07/30 Bug Poison 40 60 40 40 40 30 250 50.0♂/50.0♀ Fast
Ariados
1999/04/01 Bug Poison 70 90 70 55 55 40 380 50.0♂/50.0♀ Fast
1999/07/30 Bug Poison 70 90 70 60 60 40 390 50.0♂/50.0♀ Fast

Both Spinarak and Ariados had 5 points added to both Special Attack and Special Defense. This bring's Ariados's BST up to par with Ledian, but Spinarak is still lagging behind Ledyba.

Crobat

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Poison Flying 75 80 70 65 75 125 490 50.0♂/50.0♀ Medium Fast
1999/07/30 Poison Flying 85 90 80 70 80 130 535 50.0♂/50.0♀ Medium Fast

Initially, the only difference between Golbat and Crobat was a 35 point bonus to base Speed. It was later revised to add 10 more base stat to each of the physical attributes, 5 more to the special attributes, and another 5 to Speed for good measure.

Cleffa and Igglybuff

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Cleffa
1999/04/01 Normal 50 25 28 45 55 15 218 50.0♂/50.0♀ Fast
1999/08/22 Normal 50 25 28 45 55 15 218 75.0♂/25.0♀ Fast
1999/08/30 Normal 50 25 28 45 55 15 218 25.0♂/75.0♀ Fast
Igglybuff
1999/04/01 Normal 90 30 15 40 20 15 210 50.0♂/50.0♀ Fast
1999/08/30 Normal 90 30 15 40 20 15 210 25.0♂/75.0♀ Fast

Cleffa and Igglybuff got the same gender ratio changes that their parents did.

Togepi Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Togepi
1999/04/01 Normal 35 20 65 40 65 20 245 50.0♂/50.0♀ Fast
1999/08/22 Normal 35 20 65 40 65 20 245 75.0♂/25.0♀ Fast
1999/08/30 Normal 35 20 65 40 65 20 245 87.5♂/12.5♀ Fast
Togetic
1999/04/01 Normal 35 20 65 40 65 20 245 50.0♂/50.0♀ Fast
1999/07/18 Normal Flying 35 20 65 40 65 20 245 50.0♂/50.0♀ Fast
1999/07/30 Normal Flying 55 40 85 80 105 40 405 50.0♂/50.0♀ Fast
1999/08/22 Normal Flying 55 40 85 80 105 40 405 75.0♂/25.0♀ Fast
1999/08/30 Normal Flying 55 40 85 80 105 40 405 87.5♂/12.5♀ Fast

Togepi's stats were already set by the start of April, with its gender ratio being the only thing that changed since then. Togetic, on the other hand, started out as a straight copy of Togepi before finally getting its Flying subtype by July 18th and its final stats by July 30th.

Marill Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Marill
1999/04/01 Water 50 20 70 20 80 40 280 50.0♂/50.0♀ Fast
1999/07/30 Water 70 20 50 20 50 40 250 50.0♂/50.0♀ Fast
Azumarill
1999/04/01 Water 50 20 70 20 80 40 280 50.0♂/50.0♀ Fast
1999/07/30 Water 100 50 80 50 80 50 410 50.0♂/50.0♀ Fast

Marill eventually had its HP and Attack stats switched, then lost 30 points in base Special Defense. Meanwhile, Azumarill was using a copy of Marill's stats until through late July before it finally received its final stats.

Sudowoodo

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Ghost 85 85 70 50 50 60 400 50.0♂/50.0♀ Medium Fast
1999/07/18 Rock 85 85 70 50 50 60 400 50.0♂/50.0♀ Medium Fast
1999/07/30 Rock 70 100 115 30 65 30 410 50.0♂/50.0♀ Medium Fast

The presence of Kyonpan in Gold's scratchpads of Sudowoodo combined with the Ghost typing seen here strongly hint that it was originally in Sudowoodo's slot, though there's nothing in the source code to definitively prove this. It was changed to Rock type by July 18th, while its (Kyonpan's?) stats changed sometime between the 18th and 30th. It lost 15 base points in HP, 20 base in Special Attack, and 30 base in Speed in exchange for 15 more points in base HP and Attack and 45 points in base Defense.

Aipom

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Normal 55 75 55 45 45 85 360 50.0♂/50.0♀ Fast
1999/07/30 Normal 55 70 55 40 55 85 360 50.0♂/50.0♀ Fast

5 points were taken out of both Attack and Special Attack, then put back into Special Defense. That's it.

Sunkern Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Sunkern
1999/04/01 Grass 55 45 45 65 65 30 305 50.0♂/50.0♀ Medium Fast
1999/07/30 Grass 10 10 10 10 10 10 60 50.0♂/50.0♀ Medium Fast
1999/08/14 Normal 10 10 10 10 10 10 60 50.0♂/50.0♀ Medium Fast
1999/08/22 Grass 30 30 30 30 30 30 180 50.0♂/50.0♀ Medium Slow
Sunflora
1999/04/01 Grass 75 65 65 105 85 50 445 50.0♂/50.0♀ Medium Fast
1999/07/30 Grass 65 55 55 95 75 40 385 50.0♂/50.0♀ Medium Fast
1999/08/22 Grass 75 75 55 105 85 30 425 50.0♂/50.0♀ Medium Slow

Sunflora was a single stage Pokémon in the Spaceworld 1997 demo, with the concept of a pre-evolved form originating in the 1999 revamp. Sunkern's stats are pretty standard fare -- 20 less points in everything but Special Attack, which is 40 points lower -- but sometime after July 18th, an interesting set of changes can be observed: Its stats, evolution method, and typing were all dummied out. Evidently they were planning to scrap Sunkern entirely before they changed their minds: By the Spaceworld 1999 demo an early design of Sunkern was placed in its slot, and by August 22nd it had received a new set of stats and experience group.

As Sunkern's specs were being dummied out, Sunflora lost 10 points in each of its base stats, bringing it more in line with single stage Pokémon like Lickitung and Yanma. After Sunkern received its stats, typing, and evolution method back, the changes to Sunflora's HP and Special stats were reverted, while it received 10 more base Attack and 10 less Speed than it previously had.

Yanma

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Normal 10 10 10 10 10 10 60 50.0♂/50.0♀ Medium Fast
1999/07/18 Bug Flying 10 10 10 10 10 10 60 50.0♂/50.0♀ Medium Fast
1999/07/30 Bug Flying 65 65 45 75 45 95 390 50.0♂/50.0♀ Medium Fast

Yanma was another of the seven Pokémon that started out with placeholder stats. By July 18th the only thing that had changed was its typing, but by the end of July its stats were finalized.

Quagsire

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Water Ground 85 75 75 65 65 35 400 50.0♂/50.0♀ Medium Fast
1999/08/22 Water Ground 95 85 85 65 65 35 430 50.0♂/50.0♀ Medium Fast

After the creation of Wooper, Quagsire got a 10 point boost to its base HP, Attack, and Defense.

Espeon & Umbreon

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Espeon
1999/04/01 Psychic 65 65 60 95 130 70 485 50.0♂/50.0♀ Medium Fast
1999/07/30 Psychic 65 65 60 130 95 110 525 75.0♂/25.0♀ Medium Fast
1999/08/30 Psychic 65 65 60 130 95 110 525 87.5♂/12.5♀ Medium Fast
Umberon
1999/04/01 Dark 70 65 60 130 95 65 485 50.0♂/50.0♀ Medium Fast
1999/07/30 Dark 95 65 110 60 130 65 525 75.0♂/25.0♀ Medium Fast
1999/08/30 Dark 95 65 110 60 130 65 525 87.5♂/12.5♀ Medium Fast

Espeon and Umbreon received the same 40 point stat injection and gender ratio changes as the Generation I Eeveelutions, then had their stats shuffled. For Espeon, its Special Attack and Special Defense stats switched and the 40 points went into Speed, setting it up as a great special sweeper. Umbreon underwent a more radical change, going from a slow, physically frail and special-inclined Pokémon, to a build more suited for tanking hits than giving them out.

Murkrow

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Dark 60 85 42 85 42 91 405 50.0♂/50.0♀ Slow
1999/07/18 Dark Flying 60 85 42 85 42 91 405 50.0♂/50.0♀ Slow
1999/08/22 Dark Flying 60 85 42 85 42 91 405 50.0♂/50.0♀ Medium Slow

Murkrow was pure Dark type in April despite being a Dark/Flying type in the 1997 demo; this might be a result of copy/pasting Umbreon's entry. After Spaceworld 1999, Murkrow was put in a slightly faster-leveling experience group.

Slowking

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Water Psychic 95 75 80 100 110 35 495 100.0♂ Medium Fast
1999/07/30 Water Psychic 95 75 80 100 110 30 490 50.0♂/50.0♀ Medium Fast

Slowking was originally a 100% male Pokémon, which one supposes is appropriate given the name, but doesn't match up with the gender ratios of Slowpoke or Slowbro. It was later changed to a standard 50/50 split; at the same time, 5 points were taken out of its base Speed. While it's not necessarily a king anymore, it certainly is slow.

Misdreavus

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/08/14 Ghost Dark 60 60 60 85 85 85 435 50.0♂/50.0♀ Medium Fast
1999/08/22 Ghost 60 60 60 85 85 85 435 50.0♂/50.0♀ Fast

Misdreavus originally kept the Ghost/Dark typing of its predecessor Norowara before turning into a pure Ghost Pokémon. Its experience group was also upgraded from Medium Fast to Fast.

Unown

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Psychic 48 48 48 48 48 48 288 Genderless Medium Fast
1999/08/30 Psychic 48 72 48 72 48 48 336 Genderless Medium Fast

Imagine, if you will, a world where Unown had the same stats as Ditto, only without the ability to transform into anything. At least you could still use 'em to spell out BUTTS.

Girafarig

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Ghost Normal 60 40 40 85 105 55 385 50.0♂/50.0♀ Medium Fast
1999/08/14 Normal Psychic 70 80 65 90 65 85 455 50.0♂/50.0♀ Medium Fast

Girafarig was originally the evolved form of a cut Pokémon named Tsuinzu. While Tsuinzu was originally a Dark/Normal type in Spaceworld 1997, it was turned into a pure Ghost type in the 1999 revamp. This explains Girafarig's initial Ghost/Normal typing: One of the twins would be the dark half, a Ghost type, while the other twin would turn into the light half, a Normal type. After Tsuinzu was redesigned from a pair of ghosts to a less developed version of Girafarig, the Ghost/Normal typing no longer made sense conceptually, explaining the change to Normal/Psychic.

Sometime in August, after Girafarig's evolution had been cut from the game, Girafarig received boosts to everything except Special Defense, which lost 40 base stats.

Pineco

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/08/14 Grass 70 85 110 55 55 35 410 50.0♂/50.0♀ Medium Fast
1999/08/22 Bug 50 65 90 35 35 15 290 50.0♂/50.0♀ Medium Fast

Pineco was initially designed as a single stage Pokémon. When it got an evolution in the form of Forretress, 20 points were subtracted from each of its base stats, and its type changed from Grass to Bug.

Dunsparce

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/08/14 Normal 100 70 70 65 65 45 415 Genderless Medium Slow
1999/08/22 Normal 100 70 70 65 65 45 415 50.0♂/50.0♀ Medium Fast

Dunsparce was originally genderless with a medium slow experience curve, both of which were remnants of the scrapped Shuckle evolution that once occupied this slot.

Gligar

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Ground Flying 65 95 85 35 70 70 420 50.0♂/50.0♀ Medium Slow
1999/07/30 Ground Flying 65 75 105 35 65 85 430 50.0♂/50.0♀ Medium Slow

20 points in Attack put into Defense, and 5 points of Special Defense put into Speed, then 10 more points put into Speed to give it another boost. Odd set of changes here.

Steelix

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Steel Ground 55 65 180 50 80 90 520 50.0♂/50.0♀ Medium Fast
1999/07/30 Steel Ground 55 85 200 50 80 30 500 50.0♂/50.0♀ Medium Fast
1999/08/30 Steel Ground 75 85 200 55 65 30 510 50.0♂/50.0♀ Medium Fast

Steelix originated as one of those "just add 20 to every stat and call it a day" evolutions. Between July 18th and July 30th, 60 points were taken out of base Speed, and 20 points were put into Attack and Defense. It was revised further after Spaceworld 1999 by subtracting 15 points from Special Defense (Just like what happened to its pre-evolved form, Onix) and added 20 points to HP and 5 to Special Attack.

Snubbull Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Snubbull
1999/04/01 Normal 60 80 50 40 40 30 300 100.0♀ Fast
1999/07/30 Normal 60 80 50 40 40 30 300 50.0♂/50.0♀ Fast
1999/08/30 Normal 60 80 50 40 40 30 300 25.0♂/75.0♀ Fast
Granbull
1999/04/01 Normal 90 120 75 60 60 45 450 100.0♀ Fast
1999/07/30 Normal 90 120 75 60 60 45 450 50.0♂/50.0♀ Fast
1999/08/30 Normal 90 120 75 60 60 45 450 25.0♂/75.0♀ Fast

Snubbull was originally a 100% female species, just as it was in Spaceworld 1997. Both it and Granbull were first changed to an even 50/50 M/F split, then changed again about a month later to 25/75, favoring female.

Qwilfish

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Water Poison 55 95 45 85 45 75 400 50.0♂/50.0♀ Medium Fast
1999/07/30 Water Poison 65 95 75 55 55 85 430 50.0♂/50.0♀ Medium Fast

30 points were taken out of Special Attack and put into Defense, and 10 points each were put it into HP, Special Defense, and Speed.

Scizor

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Bug Flying 70 130 80 55 85 120 540 50.0♂/50.0♀ Medium Fast
1999/07/30 Bug Steel 70 130 100 55 80 65 500 50.0♂/50.0♀ Medium Fast

The first instance of Scizor's stats isn't that much of an improvement over Scyther's: 20 more base Attack, 5 more Special Defense, and another 15 points in Speed. It didn't even get its Steel typing until late July! This new steel-laden form has the same base stat total as Scyther, but with 40 of its points in base Speed evenly distributed to Attack and Defense.

Shuckle

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Rock Ground 35 25 60 15 60 15 210 Genderless Medium Slow
1999/07/30 Rock Ground 35 25 60 15 60 15 210 50.0♂/50.0♀ Medium Slow
1999/08/14 Rock Ground 45 10 180 10 180 5 430 50.0♂/50.0♀ Medium Slow
1999/08/22 Bug Rock 45 10 180 10 180 5 430 50.0♂/50.0♀ Medium Slow
1999/09/22 Bug Rock 20 10 230 10 230 5 505 50.0♂/50.0♀ Medium Slow

Shuckle started out as a genderless Rock/Ground Pokémon, the first stage of a two stage evolutionary line with stats to match. Through an appropriately slow series of changes, almost all of its original specs were changed:

  • Between July 18th and July 30th, it switched to a 50/50 gender ratio.
  • After its evolution was cut, Shuckle's stats were revised: Its already low Attack, Special Attack, and Speed stats were reduced further, its HP was increased by 10 base, and both of its defensive stats were buffed threefold.
  • Sometime after Spaceworld 1999 and before August 22nd, its typing was changed from Rock/Ground to Bug/Rock.
  • One month later, Shuckle underwent its final set of changes. Its HP dropped down to 20 base, and its defense stats were boosted even further, 50 base points each. These changes are explicitly noted in the JP source file Document\ダケモン金銀\p20922E.txt as balance adjustments for link battles.

The only detail that didn't change was its experience group.

Heracross

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Bug 115 130 115 40 65 75 540 50.0♂/50.0♀ Slow
1999/07/30 Bug Fighting 85 125 100 30 75 85 500 50.0♂/50.0♀ Slow
1999/08/14 Bug Fighting 80 125 75 40 95 85 500 50.0♂/50.0♀ Slow

Heracross was originally conceived as a pure Bug type Pokémon, with the Fighting subtype only added in late July. Originally a Pokémon with a considerable amount of physical bulk, Heracross slowly had points in base HP and Defense distributed to other stats. First, 40 points were taken out of its BST to match the stat reductions done to Scizor and Purakkusu: 30 points out of HP, 10 out of Special Attack. Then, 20 points were shifted from Attack and Defense to Special Defense and Speed. By mid-August, 30 more points were removed from base HP and Defense and put into Special Attack and Special Defense.

Sneasel

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Dark Ice 55 95 45 35 45 115 390 50.0♂/50.0♀ Medium Slow
1999/08/14 Dark Ice 55 95 55 35 75 115 430 50.0♂/50.0♀ Medium Slow

Sneasel was given a bit more bulk, with 10 more points in Defense and 30 in Special Defense.

Teddiursa Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Teddiursa
1999/04/01 Electric 50 65 45 75 55 40 330 50.0♂/50.0♀ Medium Fast
1999/08/14 Normal 50 65 45 75 55 40 330 50.0♂/50.0♀ Medium Fast
1999/08/22 Normal 60 80 50 50 50 40 330 50.0♂/50.0♀ Medium Fast
Ursaring
1999/04/01 Electric 80 95 65 105 75 70 490 50.0♂/50.0♀ Medium Fast
1999/08/14 Normal 80 105 65 105 65 55 475 50.0♂/50.0♀ Medium Fast
1999/08/22 Normal 90 130 75 75 75 55 500 50.0♂/50.0♀ Medium Fast

There's a good amount of evidence that Kotora and Raitora were replaced by Teddiursa and Ursaring at some point before April 1st: The initial Electric typing, the fact that Kotora and Raitora appear in the scratchpads for Teddiursa and Ursaraing' respectively, and the Teddiursa line's initial learnsets being revised versions of the Kotora line's learnsets from Spaceworld 1997. Both Teddiursa and Ursaring kept the Electric typing until August, when they were both changed to Normal type. Ursaring had 10 points taken from base Special Defense and put into base Attack, then lost 15 points in base Speed.

After Spaceworld 1999, both Teddiursa and Ursaring had points taken out of their base Special Attack and put into HP, Attack, and Defense. Ursaring got a 25 point base stat boost, boosting Attack even further and reverting the Special Defense nerf.

Magcargo

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/08/14 Fire Rock 65 65 90 90 90 20 420 50.0♂/50.0♀ Medium Fast
1999/08/22 Fire Rock 50 50 120 80 80 30 410 50.0♂/50.0♀ Medium Fast

Poor Magcargo. It had 15 points taken out of base HP and Attack, and 10 points taken out of base Special Attack and Special Defense. 30 of those points went into Defense, 10 into Speed, and the other 10 got lost behind the couch or something. The stat redistribution didn't do it any favors: Being 2x weak to Fighting and Rock and 4x weak to Ground (Not to mention the 4x Water weakness) combined with that HP stat means it's not going to be tanking much of anything, and the boost only made it Speed stat go from awful to slightly less awful. Someone must have felt pity for it, because the HP and Special Attack reductions were partially undone in Generation VII.

Swinub Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Swinub
1999/04/01 Ice Ground 50 40 60 30 60 20 260 50.0♂/50.0♀ Slow
1999/07/30 Ice Ground 10 10 10 10 10 10 60 50.0♂/50.0♀ Slow
1999/08/14 Ice Ground 50 40 60 30 60 20 260 50.0♂/50.0♀ Slow
1999/08/22 Ice Ground 50 50 40 30 30 50 250 50.0♂/50.0♀ Slow
Piloswine
1999/04/01 Ice Ground 75 60 90 45 90 20 380 50.0♂/50.0♀ Slow
1999/08/22 Ice Ground 100 100 80 60 60 50 450 50.0♂/50.0♀ Slow

The Swinub line had three stages at first, with Piloswine's evolution eventually getting the boot. However, judging by the dummied out stats in the July 30th entry, it looks like Swinub was originally the one on the chopping block! Unlike Sunkern, Swinub's typing and evolution conditions were never dummied out, and its stats were quickly reverted back two weeks later.

Swinub had points withdrawn from Defense and Special Defense and put into Attack and Speed, with 10 base stats disappearing entirely. Piloswine got a 70 point base stat boost after its evolution was cut; that boost, along with 10 base Defense and 30 base Special Defense, was put into HP, Attack, Special Attack, and Speed.

Corsola

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/08/22 Water Rock 55 55 85 65 85 35 380 50.0♂/50.0♀ Fast
1999/08/30 Water Rock 55 55 85 65 85 35 380 25.0♂/75.0♀ Fast

Cute + Pink = 25/75 gender split.

Remoraid Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Remoraid
1999/04/01 Water 35 65 45 45 35 65 290 50.0♂/50.0♀ Slow
1999/07/30 Water 35 65 35 65 35 65 300 50.0♂/50.0♀ Slow
1999/08/22 Water 35 65 35 65 35 65 300 50.0♂/50.0♀ Medium Fast
Octillery
1999/04/01 Water 75 105 85 85 75 45 470 50.0♂/50.0♀ Slow
1999/07/30 Water 75 105 75 105 75 45 480 50.0♂/50.0♀ Slow
1999/08/22 Water 75 105 75 105 75 45 480 50.0♂/50.0♀ Medium Fast

Both Remoraid and Octillery had 10 points taken out of base Defense and 20 points added to Special Attack, then placed in a faster experience group.

Delibird

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Ice 45 45 30 60 45 75 300 50.0♂/50.0♀ Fast
1999/07/30 Ice Flying 45 55 45 65 45 75 330 50.0♂/50.0♀ Fast

Delibird was a pure Ice type for a good few months. With its new secondary Flying type came a slight improvement in its stats, and "slight" can't be emphasized strongly enough here.

Skarmory

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Normal Flying 65 80 140 40 70 70 465 50.0♂/50.0♀ Slow
1999/07/30 Steel Flying 65 80 140 40 70 70 465 50.0♂/50.0♀ Slow

Strangely, it took until late July for Skarmory to get its Steel typing back.

Houndour Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Houndour
1999/04/01 Dark Fire 45 50 35 70 45 50 295 50.0♂/50.0♀ Medium Fast
1999/07/30 Dark Fire 40 50 25 70 45 60 290 50.0♂/50.0♀ Medium Fast
1999/08/22 Dark Fire 45 60 30 80 50 65 330 50.0♂/50.0♀ Slow
Houndoom
1999/04/01 Dark Fire 65 85 55 100 65 70 440 50.0♂/50.0♀ Medium Fast
1999/07/30 Dark Fire 70 80 45 100 65 90 450 50.0♂/50.0♀ Medium Fast
1999/08/22 Dark Fire 75 90 50 110 80 95 500 50.0♂/50.0♀ Slow

A fable: One day, Houndour dropped 5 base HP in the river. The Lugia of the lake returned with 35 base stats and asked if it was his, and he replied "Houn". Impressed by his honesty, Lugia gave Houndour 40 base stats, man you should have seen it. And the base stats didst made him faster as it didst also make him less durable, and all was good.

Houndoom had no need for fables, receiving bonuses to HP and Speed in exchange for Attack and Defense right out of the gate, followed by small boosts in each star.

Phanpy Line

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Phanpy
1999/04/01 Ground 60 80 70 30 30 35 305 50.0♂/50.0♀ Medium Fast
1999/08/14 Ground 60 60 70 30 30 40 290 50.0♂/50.0♀ Medium Fast
1999/08/22 Ground 90 60 60 40 40 40 330 50.0♂/50.0♀ Medium Fast
Donphan
1999/04/01 Ground 90 120 105 45 45 70 475 50.0♂/50.0♀ Medium Fast
1999/08/14 Ground 90 120 100 45 45 70 470 50.0♂/50.0♀ Medium Fast
1999/08/22 Ground 90 120 120 60 60 50 500 50.0♂/50.0♀ Medium Fast

Game Freak seem to be fans of reducing Pokémon's BST and then adding even more BST later. Phanpy lost 20 points in base Attack and gained 5 base Speed, then lost 10 base Defense and got a 30 point boost to HP, 10 to Special Attack, and 10 to Special Defense.

Donphan lost 5 base Defense sometime between July 30th and August 14th, then got it all back about a week later with interest, along with 15 point increases to Special Attack and Special Defense and a 20 point reduction in Speed.

Stantler

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Normal 75 85 65 95 65 85 470 50.0♂/50.0♀ Slow
1999/07/30 Normal 80 95 60 85 65 85 470 50.0♂/50.0♀ Slow
1999/08/22 Normal 73 95 62 85 65 85 465 50.0♂/50.0♀ Slow

Stantler started out slightly more special oriented; 10 of those 95 base Special Attack points were moved to Attack. In a strange progression, it had 5 points of Defense put into HP, then had both of these changes partially reverted after Spaceworld 1999, with 5 base stat points simply vanishing in the interim.

Tyrogue

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Fighting 30 80 33 15 70 67 295 100.0♂ Medium Fast
1999/04/23 Fighting 35 35 35 35 70 35 245 100.0♂ Medium Fast
1999/07/30 Fighting 35 35 35 35 35 35 210 100.0♂ Medium Fast

The earliest stats for Tyrogue are clearly modified from Hitmonlee, with 40 points subtracted from Attack and Special Defense and 20 fewer points in HP, Defense, Special Attack, and Speed. It's possible that they hadn't figured out Tyrogue's evolution mechanic yet; the stat distribution would make getting anything other than Hitmonlee a chore. By April 23rd all of the stats were set to 35 except for Special Defense, which took until the end of July to fix.

Elekid & Magby

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Elekid
1999/04/01 Electric 45 63 37 65 55 95 360 50.0♂/50.0♀ Medium Fast
1999/09/22 Electric 45 63 37 65 55 95 360 75.0♂/25.0♀ Medium Fast
Magby
1999/04/01 Fire 45 75 37 70 55 83 365 50.0♂/50.0♀ Medium Fast
1999/09/22 Fire 45 75 37 70 55 83 365 75.0♂/25.0♀ Medium Fast

Both Magby and Elekid had their gender ratios updated to match their evolved counterparts, though this happened over 3 weeks after Magmar and Electabuzz's ratios changed.

Miltank

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Normal 95 80 105 50 70 100 500 3.5♂/96.5♀ Slow
1999/07/30 Normal 95 80 105 50 70 100 500 100.0♀ Slow
1999/08/30 Normal 95 80 105 40 70 100 490 100.0♀ Slow

Miltank is effected by the same 245 gender typo as Chansey and Blissey. To match the nerf of her counterpart Pokémon Tauros, she eventually lost 10 points in Special Attack.

Blissey

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Normal 250 15 15 45 135 50 510 3.5♂/96.5♀ Fast
1999/07/30 Normal 255 10 10 75 135 55 540 100.0♀ Fast

As for Blissey herself, her evolution was originally less impressive. What's she supposed to do with a 10 point bonus to Attack and Defense? Those bonuses were better allocated to HP and Speed, with Special Attack receiving a 30 point boost for good measure.

Raikou, Entei, and Suicune

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Raikou
1999/04/01 Electric 90 85 85 115 90 115 580 Genderless Slow
1999/07/30 Electric 90 85 75 115 100 115 580 Genderless Slow
Entei
1999/04/01 Fire 100 115 75 115 90 85 580 Genderless Slow
1999/07/30 Fire 115 115 85 90 75 100 580 Genderless Slow
Suicune
1999/04/01 Water 110 75 115 90 115 75 580 Genderless Slow
1999/07/30 Water 100 75 115 90 115 85 580 Genderless Slow

Raikou and Suicune both had relatively simple changes: For Raikou, 10 points from base Defense moved to Special Defense, and in Suicune's case, 10 points from base HP were put into Speed. Entei, on the other hand...well, they're the same numbers, just distributed differently. From highest to lowest:

  • 1999/04/01: Attack, Special Attack, HP, Special Defense, Speed, Defense.
  • 1999/07/30: HP, Attack, Speed, Special Attack, Defense, Special Defense.

Basically, Entei sacrificed part of its special stats for greater physical bulk and speed.

Tyranitar

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
1999/04/01 Rock Dark 110 134 120 85 90 61 600 50.0♂/50.0♀ Slow
1999/07/30 Rock Dark 100 134 110 95 100 61 600 50.0♂/50.0♀ Slow

Tyranitar originally had more physical bulk. 10 points were taken out of HP and Defense and put into Special Attack and Special Defense to help balance out its stats a bit.

Lugia and Ho-Oh

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Lugia
1999/04/01 Psychic Flying 130 110 90 154 90 106 680 Genderless Slow
1999/07/30 Psychic Flying 106 90 130 90 154 110 680 Genderless Slow
Ho-Oh
1999/04/01 Normal Flying 106 110 90 130 154 90 680 Genderless Slow
1999/07/30 Normal Flying 106 130 90 110 154 90 680 Genderless Slow
1999/08/22 Fire Flying 106 130 90 110 154 90 680 Genderless Slow

Luigi's initial stats were originally nigh identical to Mewtwo's stats, just with HP and Speed swapped. Perhaps realizing that having another Psychic type with a similar specs was a bad idea, its stats were shuffled around to make it into more of a tank: Its offensive stats were lowered to a still respectable base 90, its HP took a hit, its Speed was slightly raised, and its defensive stats went from great to amazing.

Ho-Oh's stat changes weren't as extreme - only its attack stats were swapped - but it took until after Spaceworld 1999 for it to get its primary Fire type.

Celebi

Type 1 Type 2 HP Attack Defense Sp. Atk Sp. Def Speed BST Gender
Ratio
Experience
Group
Celebi
1999/04/01 Normal 10 10 10 10 10 10 60 Genderless Medium Slow
1999/07/30 Normal 100 100 100 100 100 100 600 Genderless Medium Slow
1999/08/22 Psychic Grass 100 100 100 100 100 100 600 Genderless Medium Slow

Celebi was basically a nonentity for several months, with its genderless nature the only hint of what it would become. By the end of July it would gets its final stats, and after Spaceworld 1999 its Psychic/Grass typing.

Other Stats

Evolution Conditions

1997/22/11 1998/06/05 1999/04/03 1999/13/06 1999/07/21 1999/08/16 1999/08/23 1999/08/30
Pichu Level 12 Level 10 High Friendship Pikachu
Cleffa Level 12 Level 10 High Friendship Clefairy
Mikon Level 13 N/A Vulpix
Igglybuff Level 12 Level 10 High Friendship Jigglypuff
Golbat Level 44 Low Friendship High Friendship Crobat
Gloom Item - Poison Stone Item - Sun Stone Bellossom
Para Level 12 N/A Paras
Koonya Level 14 N/A Meowth
Pudi Level 13 N/A Growlithe
Poliwhirl Item - Heart Stone Trade - King's Rock Politoed
Slowpoke Trade - King's Rock Slowking
Farfetch'd Level 24 N/A Madaamu
Onix Level 38 Trade - Metal Coat Steelix
Tyrogue Level 15 Level 20 Level 20 (ATK > DEF) Hitmonlee
Level 15 Level 20 Level 20 (ATK < DEF) Hitmonchan
Level 15 Level 20 Level 20 (ATK = DEF) Hitmontop
Lickitung Level 32 N/A Nameru
Chansey Level 45 High Friendship Blissey
Monja Level 22 N/A Tangela
Tangela Level 44 N/A Jaranra
Gyopin Level 16 N/A Goldeen
Seadra Trade - Dragon Scale Kingdra
Baririna Level 15 N/A Mr. Mime
Scyther Level 41 Trade - King's Rock Trade - Metal Coat Scizor
Smoochum Level 15 Level 10 Level 30 Jynx
Elekid Level 15 Level 10 Level 30 Electabuzz
Magby Level 15 Level 10 Level 30 Magmar
Pinsir Level 42 N/A Purakkusu
Ditto Item - Metal Coat N/A Animon
Eevee Item - Heart Stone High Friendship High Friendship - Day Espeon
Item - Poison Stone Low Friendship High Friendship High Friendship - Night Umbreon
Porygon Item - Up-Grade Porygon2
Spinarak Level 23 Level 22 Ariados
Natu Item - Heart Stone Level 25 Xatu
Mareep Level 16 Level 13 Level 15 Flaafy
Flaafy Level 32 Level 26 Level 30 Ampharos
Sunkern N/A Level 20 N/A Item - Sun Stone Sunflora
Teddiursa N/A Level 20 Level 30 Ursaring
Swinub N/A Level 22 Level 15 Level 33 Piloswine
Remoraid Level 34 Level 20 Level 25 Octillery
Houndour Level 35 Level 24 Houndoom
Phanpy Level 33 Level 25 Donphan
Larvitar N/A Level 28 Level 30 Pupitar
Pupitar N/A Level 42 Level 55 Tyranitar
  • Two Pokémon, Golbat and Eevee, had evolutions triggered by low Friendship. According to question 24 in Document\ダケモン金銀\バグ報告\金銀質問1017.xls in the JP source, the Friendship value had to be 20 or lower for those Pokémon to evolve. This entire concept was dropped by July 21st.
Golbat was a simple fix, simply swapping low Friendship for high Friendship, while Eevee's evolutions into Espeon and Umbreon had to be changed to a more complicated time-based system.
  • Gloom, Poliwhirl, Slowpoke, and Seadra don't have evolution methods in the April 3rd file, even though their evolutions were already in the game.
  • Both Scyther and Pinsir initially evolved through the King's Rock - at that point neither of their evolutions were Steel type.
  • All baby Pokémon except for Tyrogue initially evolved at Level 10. By July 21st, Smoochum, Elekid, and Magby evolved at Level 30, while by mid-August Pichu's evolution method was changed to high friendship. It would take a bit longer for Cleffa and Igglybuff to change.
  • Remoraid had its evolution level raised by July 1st, while Teddiursa, Remoraid, and the Larvitar line had their evolution thresholds raised by mid-August. Mareep and Flaafy had their levels raised sometime between August 23rd and the 30th.
Swinub is the only Pokémon to have its evolution threshold lowered; it was later raised by August 23rd, at which point Piloswine's planned evolution had been cut from the game.
  • Sunkern was originally a level-based evolution. By the middle of August, its evolution method was removed entirely, further hinting that the developers were considering removing it from the game. Less than a week later, they decided to keep it and its evolution method was changed to the Sun Stone.
  • Tyrogue's evolutions were planned since at least April 3rd, but its evolution method had not. The earliest mention of the final evolution method is in question 123 in Document\ダケモン金銀\バグ報告\金銀質問1017.xls, dated July 29th.

Catch Rates

1999/07/18 to 07/30
Early Final
Unown 60 225
  • Unown was the first to have its capture rate adjusted. A welcome change, too, since a 60 catch rate would make completing the Unown Dex a real pain.
1999/07/30 to 08/14
Early Final
Sunkern 190 10
Heracross 25 45
  • Sunkern got its catch rate dummied out too.
  • Heracross's catch rate was increased to 45 to match Scyther and Pinsir.
1999/08/17 to 1999/08/22
Early Final
Crobat 45 90
Pichu 255 190
Cleffa 255 150
Igglybuff 255 170
Sudowoodo 50 65
Aipom 65 45
Sunkern 10 235
Sunflora 75 120
Yanma 255 75
Quagsire 65 90
Slowking 60 70
Misdreavus 75 45
Girafarig 90 60
Pineco 90 190
Granbull 60 75
Sneasel 45 60
Magcargo 190 75
Swinub 255 225
Piloswine 120 75
Houndour 190 120
Houndoom 60 45
Smeargle 30 45
Smoochum 75 45
Elekid 75 45
Magby 75 45
Blissey 25 30

Almost all of the changes occurred after the Spaceworld 1999 demo. Here are a few of the more notable ones:

  • All baby Pokémon initially had higher catch rates than their evolved forms, later changed to match their catch rates instead. The lone exception is Tyrogue, who managed to make it into the final game with a 75 catch rate while Hitmonlee, Hitmonchan, and Hitmontop have a 45 catch rate. Of course, since baby Pokémon can't be found in the wild, these changes are purely cosmetic...at least, in this generation.
  • Crobat's catch rate was changed to match Golbat's catch rate. Slowking's catch rate was increased as well, but it's still lower than both Slowpoke and Slowbro. Again, neither can be encountered in the wild.
  • Yanma had the biggest catch rate drop, going from 255 to 75, while Pineco had the largest catch rate increase, going from 90 to 190.
  • After Sunkern was put back in the game, its catch rate ended up even higher than it once was.
  • Magcargo's catch rate was reduced to 75 after Slugma was introduced, with Slugma inheriting its former 190 catch rate.

Base Experience

1999/07/18 to 07/30
Early Final
Ho-Oh 255 220

Ho-Oh originally had the max 255 base experience, tied with Blissey. It was later reduced to 220 to match Lugia's base experience.

1999/07/30 to 08/14
Early Final
Sunkern 75 10

Sunkern, you big dummy.

1999/08/17 to 08/22
Early Final
Ledian 171 134
Spinarak 171 134
Togetic 149 114
Natu 70 73
Xatu 128 171
Marill 82 58
Azumarill 122 153
Sudowoodo 94 135
Hoppip 84 74
Skiploom 151 136
Jumpluff 191 176
Sunkern 10 52
Sunflora 138 146
Yanma 93 147
Quagsire 127 137
Murkrow 92 107
Misdreavus 125 147
Girafarig 126 149
Pineco 98 60
Dunsparce 97 75
Steelix 180 196
Snubbull 152 63
Granbull 192 178
Qwilfish 166 100
Scizor 203 200
Heracross 215 200
Sneasel 61 132
Teddiursa 135 124
Ursaring 204 189
Magcargo 100 154
Swinub 77 78
Piloswine 131 160
Remoraid 100 78
Octillery 176 164
Delibird 144 183
Mantine 178 168
Skarmory 180 168
Houndour 97 114
Houndoom 203 204
Phanpy 135 124
Donphan 204 189
Stantler 175 165
Smeargle 136 106
Miltank 211 200

Oh lord, there are even more changes here than in the catch rate table. Some of the more interesting ones...

  • The Pokémon with the largest reduction in base experience was Snubbull, which went from 153 to 63 base. The biggest increase was with Sneasel, whose base experience more than doubled from 61 to 132.
  • Sunkern's back...again. Tell a friend.
  • Yanma, Magcargo, and Piloswine all got big experience bonuses after their evolutions were cut.
  • Both Scizor and Heracross had their experience reduced to 200.

Wild Held Items

Group 1 - 1999/07/30 Group 2 - 1999/08/22 Group 3 - 1999/08/30 Group 4 - 1999/09/13
Common Rare Common Rare Common Rare Common Rare
Fearow None None None Sharp Beak None Sharp Beak None Sharp Beak
Pikachu None None None None None Berry None Berry
Raichu None None None None None Berry None Berry
Clefairy None Moon Stone Mysteryberry Moon Stone Mysteryberry Moon Stone Mysteryberry Moon Stone
Clefable None Moon Stone Mysteryberry Moon Stone Mysteryberry Moon Stone Mysteryberry Moon Stone
Vulpix None None Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry
Ninetales None None Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry
Paras None Tinymushroom Tinymushroom Big Mushroom Tinymushroom Big Mushroom Tinymushroom Big Mushroom
Growlithe None None Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry
Arcanine None None Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry
Poliwhirl None None None King's Rock None King's Rock None King's Rock
Poliwrath None None None King's Rock None King's Rock None King's Rock
Slowpoke None Slowpoketail Slowpoketail King's Rock Slowpoketail King's Rock None King's Rock
Slowbro None Slowpoketail Slowpoketail King's Rock Slowpoketail King's Rock None King's Rock
Magnemite None Magnet None Metal Coat None Metal Coat None Metal Coat
Magneton None Magnet None Metal Coat None Metal Coat None Metal Coat
Dodrio None None None Sharp Beak None Sharp Beak None Sharp Beak
Shellder None Pearl Pearl Big Pearl Pearl Big Pearl Pearl Big Pearl
Gastly None Spell Tag None None None None None None
Haunter None Spell Tag None None None None None None
Gengar None Spell Tag None None None None None None
Staryu None Star Piece Stardust Star Piece Stardust Star Piece Stardust Star Piece
Starmie None Star Piece Stardust Star Piece Stardust Star Piece Stardust Star Piece
Mr. Mime None None None Mysteryberry None Mysteryberry None Mysteryberry
Jynx None None Ice Berry Ice Berry Ice Berry Ice Berry Ice Berry Ice Berry
Magmar None None Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry
Snorlax None Leftovers None Leftovers Leftovers Leftovers Leftovers Leftovers
Mew None None None Miracleberry None Miracleberry None Miracleberry
Sentret None Berry None Berry Berry Berry None Berry
Pichu None None None None None Berry None Berry
Cleffa None Moon Stone Mysteryberry Moon Stone Mysteryberry Moon Stone Mysteryberry Moon Stone
Politoed None None None King's Rock None King's Rock None King's Rock
Slowking None Slowpoketail Slowpoketail King's Rock Slowpoketail King's Rock None King's Rock
Misdreavus None None None Spell Tag None Spell Tag None Spell Tag
Steelix None None None Metal Coat None Metal Coat None Metal Coat
Shuckle None None Berry Berry Berry Berry Berry Berry
Smoochum None None Ice Berry Ice Berry Ice Berry Ice Berry Ice Berry Ice Berry
Magby None None Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry Burnt Berry
Miltank None None Moomoo Milk Moomoo Milk Moomoo Milk Moomoo Milk Moomoo Milk Moomoo Milk
Ho-oh None None Sacred Ash Sacred Ash Sacred Ash Sacred Ash Sacred Ash Sacred Ash
Celebi None None None Miracleberry None Miracleberry None Miracleberry

Group 1

  • The earliest known instance of assigned held items is in the July 30th file. At that point, only 41 Pokémon had held items.
  • Furret and Sentret were the only Pokémon with berries of any kind.
  • There are hints of a design philosophy where unevolved Pokémon would have something in their rare item slot, while their evolved forms would get that item in their common slot and a better version of that item in their rare slot. This can be observed in the Paras, Shellder, and Sentret families. This was mostly abandoned in the final version (Parasect and Cloyster can't be found in the wild anyway), with Furret and Sentret being the only holdouts.
  • The Gastly line has the Spell Tag as their rare item in this group. This was transferred to Misdreavus after Norowara was removed from the game, making the Gastly line the only Pokémon that lost all of their held items.

Group 2

  • This group gives held items to 17 more Pokémon.
  • The most important change in this group is making two evolution items renewable: The Poliwag line (Save Poliwag) and the Slowpoke family now have a ~2% chance of holding a King's Rock, and the Magnemite line's rare held item changed from a Magnet to a Metal Coat.
The Slowpoke family's case original rare item, the Slowpoketail, was moved to the common slot.
  • Fearow and Dodrio have a ~2% chance of holding a Sharp Beak, making that item renewable.
  • Paras and Shellder now have the same held items as their evolved counterparts.
  • Many more Pokémon were assigned berries in this group. Shuckle got the standard Berry, the Vulpix, Growlithe, and Magmar lines got Burnt Berries, Jynx and Smoochum got Ice Berries, and the Clefairy line and Mr. Mime got Mysteryberries. Mew and Celebi received Miracleberries to hold in their rare item slots, but it's not possible to encounter either of them in the wild.
  • Stardust now appears in the Staryu family's common slot.
  • Miltank and Ho-Oh now hold their signature items.

Group 3

  • The last 3 Pokémon to get assigned items was the Pikachu line, which now has a ~2% chance of holding a Berry. This doesn't amount to much, though, since Pichu and Raichu can't be encountered in the wild and Pikachu is encountered so late in the game that it doesn't matter.
  • Snorlax was given the Leftovers item in its common slot. This doesn't amount to much either, because the only Snorlax in the game is set to hold Leftovers 100% of the time.
  • Sentret now holds Berries in both its common and rare item slots.

Group 4

  • Having realized that giving Sentret -- an early-game Pokémon -- a 25% chance to hold a Berry was a bad idea, the change was reverted.
  • The Slowpoketail was removed from the Slowpoke family's common slot. This is mentioned in Document\ダケモン金銀\p20905.txt in the JP source as a balance change; players could just farm the Slowpoke Well for Slowpoketails and sell them to get a ton of money, giving the player the opportunity to be a massive hypocrite by doing the exact same thing that you were trying to stop Team Rocket from doing.