Unlock Vs. Computer Mode:

Type in PERKINS at the Password entry screen.

GameShark Codes

Infinite Health

eb1f159400000003

Infinite health-(Player 2)

4dd212d600000003

Infinite Credits

6f8b665e0000009

Golden Hands(Original Mode)

614b665e00000012

M.Cocktail(Original Mode)

a3135c8e00000013

Pian Killer(Original Mode)

3c31295800000015

Sulfuric Acid(Original Mode)

F3d99b9900000014

Zombie Mode

c49baaf500000040]

Invisible Mode

4b3e52c4000000ff

Big Heads

c49baaf5000000F2

Silencer Mode

c49baaf500000020

Thanks to Revolution readers Erik Walker and Johnny "The Mad Typer"

Liu!