Master code:
Press Left, Right, Left(2), Right, Up, Down, R1(5), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

All characters:
Press Left(2), Right, R2, Left, Right(2), R1(2), R2 at the character selection screen. A sound will confirm correct code entry.

Champion costumes:
Press Left, Down, Right(2), Up, R1, R2, R1(20), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry. Press Square to cycle through the costumes.

Holiday costumes:
Press Left(2), Down, Right, Up, R1(8), R2, R1(4), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry. Press Square to cycle through the costumes.

All training:
Press Left, Down, Up, Down, Up, R1(20), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

New Year's Day secrets:
Press Right, Up, Down(3), R1, R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Valentine's Day secrets:
Press Right, Up, Down(3), R1(2), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

St. Patrick's Day secrets:
Press Right, Up, Down(3), R1(3), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Easter secrets:
Press Right, Up, Down(3), R1(4), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Independence Day secrets:
Press Right, Up, Down(3), R1(5), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Halloween secrets:
Press Right, Up, Down(3), R1(6), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Thanksgiving secrets:
Press Right, Up, Down(3), R1(7), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Christmas secrets:
Press Right, Up, Down(3), R1(8), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Thin boxer:
Press Right(2), Up, Down, Right, R1, R2 at the character selection screen. A sound will confirm correct code entry.

Fat boxer:
Press Right(2), Up, Down, Right, R1(2), R2 at the character selection screen. A sound will confirm correct code entry.

Undead boxer:
Press Left, Up, Right, Down, R1(2), R2 at the character selection screen. A sound will confirm correct code entry.

Big head:
Press Right(2), Up, Down, Right, R1(3) at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Big gloves:
Press Left, Right, Up, Down, R1, R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Faster speed:
Press Right(2), Up, Down, Right, R1(4), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Fastest speed:
Press Left(2), Down, Up, Down, Right(2), R1(19), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

Extra camera angles:
Press R1(20), R2, R1, R2, R1(21), R2, R1(18), R2, R1(9), R2, R1(14), R2, R1(5), R2, Left, Right, Up, Down, R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry. Pause game play to access fifteen new camera angles.

Final match:
Press R2, Down, Right, Up, Left, R1(6), R2, R1(2), R2 at the character selection screen to unlock all cheats in the game. A sound will confirm correct code entry.

View ending sequence:
Press Right(3), Down, R1, R2 at the main menu screen. A sound will confirm correct code entry.

Full level 1 Rumble meter:
Pause game play and press R1, R2, Down, Up(2), Left, R1(3), R2.

Full level 2 Rumble meter:
Pause game play and press R1(2), R2, Down, Up(2), Left, R1(4), R2.

Full level 3 Rumble meter:
Pause game play and press R2, R1(2), R2, R1, R2, R1(4), R2, Left, Right, Up, Down.

Freak E. Deke and Michael Jackson:
Press R1(13), R2, R1(10), R2 at the character selection screen in arcade mode. A sound will confirm correct code entry. Alternately, successfully complete the game once in arcade mode to unlock Freak E. Deke and twice to unlock Michael Jackson.

Alternate costume:
Press R1 + Square at the character selection screen.

G. C. Thunder:
Successfully complete the game in arcade mode three times to unlock G. C. Thunder.

Wild "Stubby" Corley:
Successfully complete the game in arcade mode four times to unlock Wild "Stubby" Corley.

Shaquille O'Neal:
Successfully complete the game in arcade mode five times to unlock Shaquille O'Neal.

Freedom Brock:
Successfully complete the game in arcade mode six times to unlock Freedom Brock.

Rocket Samchay:
Successfully complete the game in arcade mode seven times to unlock Rocket Samchay.

Robox Rese-4:
Successfully complete the game in arcade mode eight times to unlock Robox Rese-4.

Bill Clinton:
Successfully complete the game in arcade mode nine times to unlock Bill Clinton.

Hillary Clinton:
Successfully complete the game in arcade mode ten times to unlock Hillary Clinton.

Rumbleman:
Successfully complete the game in arcade mode with every character, including the hidden characters. Then complete the game in arcade mode one additional time, under the hard difficulty setting.

Champion costumes:
Win the game in championship mode to unlock the champion costumes.

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