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Godzilla (Game Boy)

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Title Screen


Also known as: Gojira-Kun: Kaijū Daikōshin (JP)
Developer: Compile
Publishers: Toho (US/JP), Infogrames (EU)
Platform: Game Boy
Released in JP: December 18, 1990
Released in US: October 1990
Released in EU: 1991

DevMessageIcon.png This game has a hidden developer message.
SoundtestIcon.png This game has a hidden sound test.
RegionIcon.png This game has regional differences.

Godzilla, the puzzle-platformer, and a follow-up to the 1985 Japan-only MSX game. Well, people seemed to like it, so... In this game, Gojira-kun/Godzilla's son Minilla (In the US ver)/girlfriend Bijira (In the JPN ver) is captured by the other Kaiju, and it's up to Gojira/Godzilla to save him/her by travelling through a maze.

Sound Test


During the game, hold A + B + Start and press Select for the Sound Test.

Unused Sound

Sound Code 00 has a short beep effect. Its purpose is unknown.

Developer Messages

At the title screen, choose Continue, then Password 18, then enter one of the below passwords to see the corresponding message (Note: Underscores in the below passwords represent spaces).

Message to Norie

Godzilla GB Norie Message.png

&?K1N/R1_ T/_N/R1=_ (International), YUK1N0R1_ T0_N0R1E_ (Japan)

Programmer's Friends

Godzilla GB Programmers Friends Message.png

PR/GR#M=R S_FR1=NDS (International), PR0GRAMER S_FR1ENDS (Japan)

Message to Coats (International versions only)

Godzilla GB Coats Message.png

D#RR=N___ C/#TS____

Message to Testers (Japanese version only)

Godzilla-kun GB Test Players Message.png


(Source: cah4e3)

Regional Differences

To do:
Add the remaining regional differences (gameplay and graphics).

Title Screen

Japan US/Europe

The Japanese title screen features a very cute and cartoony rendition of the iconic Daikaiju, whereas the US/European version opts for a much more realistic version. The music used during the title screen in the Japanese version is also used for the monster roll-call in the US/European version, with the US/European version using an original composition for the title screen itself. However, the original intimidating theme from the US/European version was unused on the Japanese version but can be heard in the Sound Test under Sound Code 01.

Monster Movements

The monsters in the US/European version move exactly as they do in the original Godzilla-kun. The Japanese version, on the other hand, makes some changes to the monsters' behaviors:

  • The whole game is faster compared to the US version.
  • Baragon sometimes pauses to yawn in place.
  • MechaGodzilla now doesn't move unless Godzilla is moving, and he usually prefers to do his own thing as opposed to chasing Godzilla.
  • Rodan no longer homes in directly on Godzilla; instead he usually flies above Godzilla waiting to ambush him with a dive attack.
  • Hedorah stops moving at random intervals, and when punched he melts into a puddle and cannot damage Godzilla, as opposed to being knocked back with no visible injuries.
  • A powerup that allowed Godzilla to use his Atomic Breath was removed in the US version. Some of the levels in the Japanese version that required to use the Atomic Breath were altered for the US version due to the powerup removed for the US version.