Zombie Revenge ^(Dreamcast)

Alternate costume

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

Free Play in Arcade Mode

Beat all three original modes to enable free play in arcade mode.

Gameshark Codes

Free Play Mode	573765D2000000FF
P1 Character Modifier	6DAB779A00000001
P1 Tons o' Points	9FB005E400000090
P1 Infinite Health	39612B5400000100
P2 Tons o' Points	8D5B821300000090
P2 Infinite Health	7FC5DC1100000100
Red Blood Mode	647B79C400000001

Cheat mode

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

Stick Brietling's 4th costume

Go to the options screen. Select "very hard"
diffulculty. Select 15 "credits". Then select
"original mode". Then select "normal mode".
Then at character select screen hold the
"start" button + the "Y" button when
selecting STICK.Play game, when you get the
armor it will be red. Now you look like a guy
from tron.

Level Select in Fighting Mode

Choose a fighting mode, then hold START while choosing a character.

Weapon Trick with First Boss

Hold down attack (Y) when close to perform a throw move, then tap attack (Y) or shoot (B) repeatedly to pull the pipe out of him. (You can't do this when he is dead because the body disappears immediately.)

Change Blood Color

Beat the game in Arcade mode, then go to the option window and you should see a new option open, 'BLOOD COLORS'