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The Simpsons (Arcade)

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Title Screen

The Simpsons

Developer: Konami
Publisher: Konami
Platform: Arcade (custom)
Released in JP: 1991
Released in US: March 4, 1991
Released in EU: March 4, 1991

GraphicsIcon.png This game has unused graphics.
ItemsIcon.png This game has unused items.
MusicIcon.png This game has unused music.
RegionIcon.png This game has regional differences.

While buying some jewels for Mr. Burns, Smithers bumps into the Simpson family...causing one of the diamonds to fly into Maggie's mouth! Rather than just taking the jewel out of her mouth, Smithers and his bone-stupid henchmen (that he's always had but you never see on the show) kidnap Maggie! It's up to The Simpsons to get her back.

To do:
There are some unused character graphics, please add them.

Unused Graphics

Unused Characters

There are a couple of unused characters in this game.

TheSimpsonsArcade-Unused Skinner.png

It seems Principal Skinner was supposed to hand the player a broom sometime in the game. Maybe for a school stage?

The stage 3 bosses have multiple palettes that are the same as the regular enemies.
This could reveal that they were meant to be more common enemies since they watch the Simpsons in the first two levels. https://www.youtube.com/watch?v=fLb_XNSfs-k&ab_channel=IlluminatiDad

TheSimpsonsArcade-Unused Krusty.png

There is also an unused Krusty enemy without his mask.

Filler Tiles

These tiles are used as filler for the player graphics.

Okay. Wait a minute.
These are the filler tiles used for the first half of the object graphics.

Fine, I won't.
This 2x2 filler picture of Krusty is used in the latter half of the object graphics. The correct palette is unknown and may not exist in the ROM anymore.

Inanimate Carbon Rod

I'll show you inanimate!

This is found with the rest of the thrown item graphics, but it's not found anywhere in the game.


Energy get!

This should show up when picking up a health item, but nope.

Sunshine, lollipops and rainbows.

An early version of Smithers' boss dialogue. This uses a unique dialogue balloon and is in all caps, unlike the final version.

To the book depository!

An unused dialogue string. Definitely meant for level 3.

Weapon Icons

That ain't a bowling ball.

These appear to be status icons for a bomb, a bottle, a can of soda and a slingshot. They were located in the game's graphics, near the character portraits.

(Source: Original TCRF research)

Unused Music

This song is hidden in the game's data. It isn't available in the game's built-in sound test, but you can listen to it by loading the game's ROMset in M1 and playing sound code 0xA9. There is speculation that this was an unused boss theme for Smithers, which would be used before the final fight against Mr. Burns. Plus, every time the song loops, it starts to play a little bit faster than before.

(Source: Original TCRF research)

Version Differences

The Japanese version is markedly different than other versions. Most of the changes are for game balance issues.
The PlayStation Network rerelease of the game gives you the option to play the Japanese version, so it features all of these differences.


The Japanese version adds two trailing zeroes to the score.

World I don't think that 108 is a coincidence.
Japanese Pointless zeroes make me feel better.
The Score Ranking screen was adjusted for the extra zeroes. The character heads were moved from the score to the rank number.

These zeroes were added to accommodate the Japanese version's more dynamic scoring system. In the World version, every enemy defeated is worth just 1 point. In the Japanese version, certain enemies are worth more, as are bosses:

Enemy Points Enemy Points Boss Points
Henchman 100 Umbrella Henchman 300 Werner Von Brawn 2,000
Hat-Throwing Henchman 200 Bart Imp 500 Krusty Balloon 2,000
Fake Bongo 300 Bigfoot 500 Bouncer Brother 1,000
Fat Henchman 300 Donut 500 Drunk 3,000
Female Zombie 300 Logger 500 Bear 3,000
Fireman 300 Radiation Suit 500 Ball Lord 5,000
Krusty Impersonator 300 Saxophone 500 Kabuki Master 5,000
Marge Shrub 300 Zombie 500 Smithers 10,000
Ninja 300 Robot 1,000 Mr. Burns 20,000


Christmas bonus!

The Japanese version gives players a vitality bonus at the end of each level.

Krusty brand Fun Balloons! Warning: May contain explosive materials!

The two bonus games have time bonuses in the Japanese version. These aren't present in the World version.

Game Mechanics


It's possible to extend health past 100% in the Japanese version. Picking up food while at full health gives the player bonus health (shown in yellow). It's possible to extend it even further (200%+), in which case the bonus will be in green.

Death from above!

In the World version, weapons can't be used in the air, a restriction not present in the Japanese version.

Other changes:

  • The enemies in this version seem a bit more stupid compared to the World version.
  • In the Japanese version, you must press the attack button in front of a food item to collect it.
  • The slingshot was buffed significantly. In the World version it's about as strong as a normal attack. In the Japanese version, it will kill anything in one hit!

Level Changes

Level 1

Well someone doesn't like video games.
An atomic bomb was added in front of the arcade.

These nukes only appear in the Japanese version.
When thrown, they'll kill any nearby enemy and
possibly damage the player if they're within range.

Other Changes:

  • The Hamburger at the end of the stage was changed to a Hot Dog.

Level 2

  • The Hot Dog at the end of the stage was changed to a Hamburger.

Level 3

Mmm, hidden hamburger. Gotta nuke something.
A hamburger was added behind this tree. Another nuke, this one in front of the moon.
Something blue. Bombs, bombs, bombs.
A bomb was added at the end of the cemetery. Two bombs were added to the boss area.

Level 4

Moe's has really been spruced up. That looks like an Olympic torch to me. The arcade bomber strikes again.
A bomb was added to the start of the level. This mop only appears in the Japanese game. A nuke was placed near the arcade cabinets.

Level 5

I would like to buy your rock. The boulder! A bushel of apples packed in every rock.
An extra rock was added at the start of the level. Another boulder was added before the waterfalls.
The larger boulder is unique to the Japanese game.
Lifting the bigger boulder up reveals a pile of fruit!

Level 6

Makes as much sense as anything else.
A bomb was added to the start of the area.
See a pattern yet?

Level 7

Mmm, floor food.
A nuke and two food items were added here.

Other Changes:

  • The Corn pickup was changed to a Hamburger.

Level 8

Mmm, inexplicable edibles. Mothers, lock up your daughters.
A Hot Dog and Turkey are hidden in the fixtures
by Mr. Burns' portrait in the Japanese version.
When Smithers is defeated in the Japanese game,
an assortment of fruit flies out of his body.
Make of that what you will.


Hi, we're here now.

More characters were added to the ending (Principal Skinner, Milhouse, Nelson, Sherri and Terri, Santa's Little Helper, and Snowball II).

(Source: Original TCRF research)