- CHEAT CODES:
AT MAIN MENU, HOLD IN THIS ORDER L, B, R. THEN RELEASE IN THIS ORDER B, R, L. THE CODE SCREEN WILL APPEAR. NOW ENTER A CODE.
| CODE | |
| OPEN ALL MONSTERS & CITIES | 863768 |
| OPEN ALL MONSTERS | 209697 |
| OPEN ALL MONSTERS EXCEPT ORGA | 753079 |
| OPEN ALL CITIES | 107504 |
| OPEN ALL GALLERY ITEMS | 962129 |
| OPEN GODZILLA 2000 | 637522 |
| OPEN RODAN | 724284 |
| OPEN DESTROYAH | 352117 |
| OPEN KING GHIDORAH | 939376 |
| OPEN MECHA GHIDORAH | 504330 |
| OPEN MECHAGODZIILA 2 | 643861 |
| OPEN ORGA | 622600 |
| OPEN GIGAN? | 822777 |
| MONSTER ISLAND LEVEL | 745749 |
| BOXING RING LEVEL | 440499 |
| HEDORAH (SMOG MONSTER) EVERY LEVEL | 288730 |
| NO HEDORAH (SMOG MONSTER) | 584408 |
| 12 CONTINUES IN ADVENTURE MODE | 548319 |
| THROW ALL OBJECTS | 248165 |
| INDESTRUCTIBLE BUILDINGS | 248165 |
| ARMIES DO 4X DAMAGE | 970432 |
| TOGGLE MILITARY | 728629 |
| BLACK & WHITE MODE | 860475 |
| TECHNICOLOR MODE | 394804 |
| DISABLE HUD | 880460 |
| PLAYER ICONS ALWAYS VISIBLE | 860068 |
| ALL PLAYERS HEALTH REGENERATES | 597378 |
| NO RECHARGING ENERGY | 690242 |
| NO HEALTH POWER-UPS | 221086 |
| NO MOTHRA POWER-UPS | 491040 |
| NO ENERGY POWER-UPS | 803358 |
| NO RAGE POWER-UPS | 666500 |
| NO FREEZE TANKS | 223501 |
| NO POWER-UPS | 229497 |
| HEALTH POWER-UPS ONLY | 270426 |
| ENERGY POWER-UPS ONLY | 553945 |
| RAGE POWER-UPS ONLY | 660398 |
| PLAYER 1 INVINCIBLE | 152446 |
| PLAYER 2 INVINCIBLE | 724689 |
| PLAYER 3 INVINCIBLE | 367744 |
| PLAYER 4 INVINCIBLE | 317320 |
| ALL PLAYERS INVINCIBLE | 569428 |
| PLAYER 1 4x DAMAGE | 940478 |
| PLAYER 2 4x DAMAGE | 930041 |
| PLAYER 3 4x DAMAGE | 537651 |
| PLAYER 4 4x DAMAGE | 889610 |
| PLAYER 1 FULL ENEGRY | 778393 |
| PLAYER 2 FULL ENEGRY | 881557 |
| PLAYER 3 FULL ENEGRY | 587558 |
| PLAYER 4 FULL ENEGRY | 218967 |
| PLAYER 1 ALWAYS IN RAGE | 159120 |
| PLAYER 2 ALWAYS IN RAGE | 491089 |
| PLAYER 3 ALWAYS IN RAGE | 450514 |
| PLAYER 4 ALWAYS IN RAGE | 702905 |
| PLAYER 1 INVISIBLE | 659672 |
| PLAYER 2 INVISIBLE | 493946 |
| ALL PLAYERS INVISIBLE | 600225 |
| PLAYER 1 IS SMALL | 558277 |
| PLAYER 2 IS SMALL | 689490 |
| PLAYER 3 IS SMALL | 203783 |
| PLAYER 4 IS SMALL | 495355 |
| ALL PLAYERS ARE SMALL | 154974 |
| EVEN PLAYERS ARE SMALL | 600095 |
| ODD PLAYERS ARE SMALL | 853955 |
| ENDING CREDITS | 339223 |
| GAME VERSION NUMBER AT OPTIONS | 097401 |
