- MASTER CODE:
PAUSE GAME AND PRESS DOWN, R1, UP, SQU, UNPAUSE GAME THEN PAUSE GAME AND ENTER ANY OF THE FOLLOWING CHEAT CODES.
- WORLDS MOST INTERESTING BOMB:
AFTER MASTER CODE, PAUSE GAME, PRESS DOWN, RIGHT, O, O, LEFT, LEFT, UP, SQU, TRI.
- THUMPER WEAPON:
AFTER MASTER CODE, PAUSE GAME, PRESS DOWN, UP, LEFT, LEFT, TRI, UP, RIGHT, DOWN.
- TWISTER WEAPON:
AFTER MASTER CODE, PAUSE GAME, PRESS DOWN, R1, SQU, TRI, RIGHT, UP, X.
- HAND GRENADE:
AFTER MASTER CODE, PAUSE GAME, PRESS TRI, O, SQU, SQU, R1, RIGHT.
- HOMING HAND GRENADE:
AFTER MASTER CODE, PAUSE GAME, PRESS LEFT, UP, X, SQU, R1, R1, RIGHT.
- EXTRA AIRSTRIKE:
AFTER MASTER CODE, PAUSE GAME, PRESS DOWN, UP, O, DOWN, UP, DOWN, L1.
- SUPER CHAIN GUN:
AFTER MASTER CODE, PAUSE GAME, PRESS LEFT, R1, DOWN, SQU, TRI, UP, DOWN.
- SUPER GUN:
AFTER MASTER CODE, PAUSE GAME, PRESS RIGHT, UP, DOWN, R1, DOWN, O, LEFT, LEFT.
- HOMING BULLETS:
AFTER MASTER CODE, PAUSE GAME, PRESS SQU, R1, R1, RIGHT.
- SNIPER GRENADE:
AFTER MASTER CODE, PAUSE GAME, PRESS UP, SQU, R1, LEFT, O, TRI, SQU.
- MORTAR:
AFTER MASTER CODE, PAUSE GAME, PRESS LEFT, R1, TRI, SQU, RIGHT, O, LEFT, LEFT.
- WORLDS SMALLEST NUKE:
AFTER MASTER CODE, PAUSE GAME, PRESS DOWN, UP, SQU, TRI, DOWN, O, O, RIGHT.
- DUMMY DECOY:
AFTER MASTER CODE, PAUSE GAME, PRESS X, R1, RIGHT, O, X, UP, SQU.
- NO DEATH:
AFTER MASTER CODE, PAUSE GAME, PRESS O, TRI, TRI, O, RIGHT, UP, LEFT, R1, SQU.
- SUPER SPEED:
AFTER MASTER CODE, PAUSE GAME, PRESS RIGHT, O, TRI, O, X. (PRESS R2 FOR SPEED)
- COW DROP:
AFTER MASTER CODE, PAUSE GAME, PRESS UP, DOWN, DOWN, R1, RIGHT.
- SEAL FOR FINAL LEVEL:
AFTER MASTER CODE, PAUSE GAME, PRESS O, TRI, TRI, R1, RIGHT.
- BONES SEAL FOR FINAL LEVEL:
AFTER MASTER CODE, PAUSE GAME, PRESS TRI, RIGHT, O, LEFT, LEFT, O, TRI, TRI, R1, RIGHT.
- 150 HIT POINTS & EXTRAS:
AFTER MASTER CODE, PAUSE GAME, PRESS SQU, TRI, L1, L1, LEFT, SQU, TRI, O, RIGHT, L1.
- FULL HIT POINTS:
AFTER MASTER CODE, PAUSE GAME, PRESS RIGHT, L1, SQU, TRI, L1, DOWN.
- DISPLAY COORDINATES:
AFTER MASTER CODE, PAUSE GAME, PRESS DOWN, DOWN, TRI, TRI, L1, X, TRI.
- NO OPPONENTS:
AFTER MASTER CODE, PAUSE GAME, PRESS UP, SQU, L1, LEFT, L1, SQU, SQU.
- STRANGE MODE:
AFTER MASTER CODE, PAUSE GAME, PRESS LEFT, O, X.