Demolition Man Cheats

Start a regular game and pause it during gameplay. Then press: left, right, A, B, B.

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.

Set the game to Easy, then insert: GL9C92KGM