Zombie Revenge Cheat Codes (for Sega Dreamcast)

[final kaoss]

Cheat mode:

Accumulate points in the VMU mini-game to unlock the "Eternal Life",
"Area Select", "Free Continue", and "Free Time Limit" cheat options
in original mode.

[final kaoss]

Alternate costume:

Highlight a character, then hold Start and press B, X, or Y.

[final kaoss]

Hidden items in Biological Weapon Plant level:
Note the fan at the beginning of the Biological Weapon (Industrial
Sewage) Plant level. Shoot it (you can not use a button) to collect
some hidden items.