Bomberland

Battle through 36 incendiary arenas of mayhem in the classic single-player cmpaign, or fight to the death against your friends in an epic 2-5 player deathmatch. Enter the password COOPERATIVE and start a new game and you'll have the option to play with two players working together.

Enter CPUPLAYER and start a new deathmatch game. On the player select screen, press C to activate a AI player.