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Prerelease:Pokémon Yellow

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This page details prerelease information and/or media for Pokémon Yellow.

Pokémon Pink

The leaked source code for Yellow includes a few mentions of a seemingly never made companion version that would've been called Pokémon Pink. This includes "Pocket Monsters Pink & Yellow", as well as pokemon_type having the options "yellow package" and "pink package" (although the "pink package" has no effect on the game).

While it is not certain which Pokémon would have been the mascot of Pink, Clefairy appears to be the most likely candidate, given its coloration and the fact it was originally intended to be the franchise's mascot.

Early Sprites

These sprites were found at the very end of a list containing several sprites for an early version of Pokémon Gold and Silver, which itself was found within archives of code for that game. This isn't surprising, as Yellow was being developed around the same time as Gold and Silver. These sprites are labeled with the filename format "PMYF_" (most likely standing for "Pocket Monsters Yellow Front") followed by the corresponding Pokémon's Pokédex number.

Pokémon Name Early Sprite Final Sprite Notes
Charmander PMYF 004.png Pokémon Yellow 004.png Similar sprite, albeit with a different left foot, a closed mouth, and some missing detailing and shading.
Squirtle PMYF 007.png Pokémon Yellow 007.png Sprite identical to final.
Caterpie PMYF 010.png Pokémon Yellow 010.png Totally different sprite, which appears to be based on Caterpie's Red and Green artwork, or at the very least the pose used in its Red and Green and Blue front sprites.
Butterfree PMYF 012.png Pokémon Yellow 012.png Similar sprite, albeit with less dynamically posed feet, a narrower body and face, and a slightly less refined left eye and mouth. Appears to be based on Butterfree's artwork/front sprite from Red and Green.
Weedle PMYF 013.png Pokémon Yellow 013.png Similar sprite, albeit much larger than the final one.
Kakuna PMYF 014.png Pokémon Yellow 014.png Sprite identical to final.
Rattata PMYF 019.png Pokémon Yellow 019.png Totally different sprite. Appears to be based on Rattata's artwork/front sprite from Red and Green.
Raticate PMYF 020.png Pokémon Yellow 020.png Totally different sprite. Appears to be based on Ratticate's artwork/front sprite from Red and Green.
Spearow PMYF 021.png Pokémon Yellow 021.png Totally different sprite. Appears to be based on Spearow's artwork/front sprite from Red and Green.
Arcanine PMYF 059.png Pokémon Yellow 059.png Similar sprite, albeit flipped horizontally and less refined.
Farfetch'd PMYF 083.png Pokémon Yellow 083.png Similar sprite, albeit with less dynamically posed feet and with Farfetch'd holding the leek in one of its hands instead of with its beak.
Dodrio PMYF 085.png Pokémon Yellow 085.png Sprite almost identical to final aside from some of the shading and detailing being missing.
Jolteon PMYF 135.png Pokémon Yellow 135.png Totally different sprite. Appears to be based on Jolteon's Red and Blue artwork, albeit with a different facial expression that would end up being carried over to the final sprite.

Sounds

74 of the original 151 Pokémon had their Japanese anime cries recorded and digitized, but none of them made it into the final game besides Pikachu. This is likely due to the very poor fidelity of the converted clips and the lack of space to fit them all in. Moreover, since many Pokémon have different names and/or voice actors between languages, this would also mean they'd have to be re-recorded in every language they wanted to release Yellow in (and then only if the anime aired in said language). Further compounding matters is that the anime Mewtwo doesn't have a cry, instead speaking in human language.

Small wonder the idea was scrapped!

Pokédex 001-050

Dex # Japanese
Name
English
Name
Voice Clip
001 Fushigidane Bulbasaur
002 Fushigisou Ivysaur
004 Hitokage Charmander
007 Zenigame Squirtle
010 Caterpie Caterpie
011 Toranseru Metapod
012 Butterfree Butterfree
013 Biidoru Weedle
014 Kokuun Kakuna
015 Supiaa Beedrill
016 Poppo Pidgey
017 Pijon Pidgeotto
019 Koratta Rattata
020 Ratta Raticate
021 Onisuzume Spearow
023 Arbo Ekans
024 Arbok Arbok
025 Pikachu Pikachu (used in final game)
026 Raichu Raichu
027 Sando Sandshrew
035 Pippi Clefairy
036 Pikushii Clefable
037 Rokon Vulpix
041 Zubat Zubat
042 Golbat Golbat
043 Nazonokusa Oddish
044 Kusaihana Gloom
046 Paras Paras
048 Konpan Venonat
049 Morufon Venomoth
050 Diguda Diglett

Pokédex 051-100

Dex # Japanese
Name
English
Name
Voice Clip
051 Dugtrio Dugtrio
052 Nyaasu Meowth
053 Persian Persian
054 Kodakku Psyduck
056 Mankey Mankey
057 Okorizaru Primeape
063 Keshi Abra
064 Yungeraa Kadabra
066 Wanrikii Machop
069 Madatsubomi Bellsprout
070 Utsudon Weepinbell
072 Menokurage Tentacool
073 Dokukurage Tentacruel
074 Ishitsubute Geodude
075 Goroon Graveler
079 Yadon Slowpoke
080 Yadoran Slowbro
081 Koiru Magnemite
082 Reakoiru Magneton
085 Dodrio Dodrio
086 Pauwau Seel
088 Betobeta Grimer
089 Betobeton Muk
092 Goosu Gastly
093 Goosuto Haunter
094 Gengar Gengar
095 Iwaaku Onix
096 Suriipu Drowzee
097 Suriipaa Hypno
098 Kurabu Krabby
100 Biriridama Voltorb

Pokédex 101-151

Dex # Japanese
Name
English
Name
Voice Clip
104 Karakara Cubone
106 Sawamura Hitmonlee
107 Ebiwaraa Hitmonchan
109 Dogaasu Koffing
110 Matadogasu Weezing
113 Rakkii Chansey
114 Monjara Tangela
116 Tattsuu Horsea
118 Tosakinto Goldeen
120 Hitodeman Staryu
121 Starmie Starmie
129 Koiking Magikarp