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Play Kaijū-ō Godzilla (Japan edition · Japanese) Online
Kaijuu Ou Gojira
Play Kaijū-ō Godzilla for Game Boy online. March across Japan as Godzilla, demolishing buildings and fighting military machines before duels with Mothra, Biollante, Hedorah and other monsters
Browser play

Game Boy (GB) — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Kaijū-ō Godzilla
Quick start
Press START and advance the story with A. Punch nearby buildings and enemies, watch both health bars and use breath only when useful. Pause your advance for recovery when space permits, then prepare for the stage’s monster duel.
Controls
D-pad moves and aims atomic breath; Left guards. A fires breath and confirms continue; B punches. A+B unleashes stronger breath. B+Left makes a tail attack with protection during the move. START starts/pauses; SELECT is unused.
Kaijū-ō Godzilla — About this game
March across Japan as Godzilla, demolishing buildings and fighting military machines before duels with Mothra, Biollante, Hedorah and other monsters. Punching clears nearby obstacles, while atomic breath reaches further at the cost of your health. Destroyed buildings can reveal recovery items, and standing still also restores power. Balance offense with recovery through the five stages, saving the powerful combined attack for a moment when you can afford its cost. Press START and advance the story with A. Punch nearby buildings and enemies, watch both health bars and use breath only when useful. Pause your advance for recovery when space permits, then prepare for the stage’s monster duel.
Kaijū-ō Godzilla Game manuals
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · gb
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.