Pause the game and press C, A, B, A, Left. When you unpause the game you'll gain one life. You can repeat the code as much as you want before unpausing the game to gain one life for each time you press this combination.
You can use also B,A,B,A, Left to get the same result.
Free Weapons and Grenades and Refill Health
Pause the game then enter one of the following codes to get the desired effect:
Effect Code Get 5 Grenades B, B, left, up, up Get the Shotgun C, C, left, up, B Max Health B, B, left, up, down
Start a regular game and pause it during gameplay. Then press: left, right, A, B, B.
Contributed By: expensivegift.
At the title screen, press A, C, Up, Right, Left. Then go to options and choose the level.
Contributed By: oblivion from aoc.
Password to last level (easy).
Set the game to Easy, then insert: GL9C92KGM
Contributed By: steamliner88.
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