- ALL BOXERS:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A, Y, X, X, Z, Z, X, Y, A, START.
- INTERCONTINENTAL TOURNAMENT:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A 3 TIMES, Y 3 TIMES, X 3 TIMES, START.
- PLAYER 1 INVINCIBLE:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A, A, Y, Y, Z, Z, X, X, START.
- PLAYER 2 INVINCIBLE:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A, A, Y, Y, Z, Z, X, X, START. ON CONTROLLER 2.
- ALL BOXERS LIFE:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A, X, Y, Z, A, X, Y, Z, START.
- JUNK YARD:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, Y, Z, Y, Z, A, A, START.
- CONVERSATION MODE:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, Z, A, Y, X, Z 3 TIMES, START.
- SECOND SKIN:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A, Z, Y, X, START.
- TURBO MODE:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, Z 10 TIMES, START.
- PLAYER 1 CONSTANT POWER-UPS:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A, Y, A, Y, A, Y, X 3 TIMES, START.
- PLAYER 2 CONSTANT POWER-UPS:
ENTER SETUP MENU AND THEN ENTER CHEATS MENU. PRESS START, A, Y, A, Y, A, Y, X 3 TIMES, START. ON CONTROLLER 2.