Jimmy Flex and Disco Stadium:
Rename your boxer in world mode to CLUBFUD.

John L. Sullivan and Docks Stadium:
Rename your boxer in world mode to OLD MAN.

Invisible boxer:
Rename your boxer in world mode to GONE.

Small heads:
Rename your boxer in world mode to BINGY. Big heads:
Rename your boxer in world mode to BONGY.

Expanding heads:
Rename your boxer in world mode to OUCH.

Spinning heads:
Rename your boxer in world mode to HURTS.

Stretching necks:
Rename your boxer in world mode to NECK.

Big hands and feet:
Rename your boxer in world mode to STUPID.

Disable all active cheats:
Rename your boxer in world mode to NORMAL.

Fabian Van Hilten:
Win showcase mode as Chuck Wynalda.

Frank Zamboni:
Win showcase mode as Mike Tyson.

Jimmy Silk:
Win showcase mode as Rhy Yung.

Mick Oshea:
Win showcase mode as Christian Mutamba.

Patrice Demanger:
Win showcase mode as Rab McCabe.