Thin boxer:
Press Right(2), Up, Down, Right, R1, R2 at the character selection screen. The
sound of the bell will confirm correct code entry.
Fat boxer:
Press Right(2), Up, Down, Right, R1(2), R2 at the character selection screen.
The sound of the bell will confirm correct code entry.
Undead boxer:
Press Left, Up, Right, Down, R1(2), R2 at the character selection screen. The
sound of the bell will confirm correct code entry.
Big gloves:
Press Left, Right, Up, Down, R1, R2 at the character selection screen. The sound
of the bell will confirm correct code entry.
Freak E. Deke and Michael Jackson:
Press R1(13), R2, R1(10), R2 at the character selection screen in arcade mode.
The sound of the bell 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.
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.
Champion costumes:
Win the game in championship mode to unlock the champion costumes.
Hidden New Year's costume:
Set the system date to January 1 to unlock a Baby New Year's costume for Joey T.
Hidden St. Patrick's Day costume:
Set the system date to March 17 to unlock a leprechaun costume for the referee.
Hidden Valentine's Day costume:
Set the system date to February 14 to unlock a lover's costume for Lulu
Valentine.
Hidden Easter costume:
Set the system date to April 23, 2001 to unlock a bunny costume for Mama Tua.
Hidden Independence Day costume:
Set the system date to July 4 to unlock an Uncle Same costume for G.C. Thunder.
Hidden Halloween costume:
Set the system date to October 31 to unlock a skeleton costume for J.R. Flurry.
Hidden Christmas costume:
Set the system date to December 25 to unlock an elf costume for Selene Strike
and a snowman costume for Rumble Man.
Rumble Man:
Unlock Hillary Clinton, then complete the game in arcade mode under the hard
difficulty setting.
