Sound test:
Hold A + B + C and press Down at the game setup screen.

Director's cut mode:
Enter RUBE as a password. Game play will include a headless opponent and maximum blood.

Stealth mode:
Enter FQSTER as a password. Opponents will be all black.

To the death mode:
Enter 2LT as a password. Game play will begin with no time limit. The first player to achieve three knockdowns will win.

Double game speed:
Enter HYPER as a password.

Player one invincibility:
Enter MAXX as a password.

All moves on mode:
Enter MRBUCKEYE as a password. All power punches may be executed.

Smaller opponents:
Enter WEASEL as a password.

Neon color player two:
Enter NUCLEAR as a password.

Highest CPU difficulty:
Enter SUPERG as a password.

Fight in the Regionals:
Enter WUSSY as a password.

Championship passwords:
Enter one of the following passwords to fight the corresponding number one contender.

Contender	Password
Joe Wildhawk	EKC
Coolio Loc	ESK
Biff Blublood	EPQ
Freddy Bravo	EDY
Charlie Ponderosa	EFD
P.J. Rock	EVG
Muerte Martinez	EKF
Havana Jones	EST
Rigo Suave	EFX
Monsieur Victoire	EGB
Bruno Maserati	EBA
T.K. O'Reilly	ERS
Gavin Grayson	ECW
Jacob Jabowitz	ECN
Jabfar El Habib	EFL
Yong Ah Chi	EDU
Hiro Sokitome	EBJ
Chang Fu	EJZ
Nickolai Radinski	EMR
Sydney Dundee	EPV