Unlock all levels
Enter the following at the password screen:
Effect Password All Levels Unlocked in 1-Player, Multiplayer and Deathmatch Modes Right, L, Up, Down, B, Left, Left, Right, Left
Contributed By: WillDay.
First, beat the game.Now, begin a new game with your completed game's password.When you now play the game, press R+B and you can shoot rapid-fire(turret) or spread attack(tommy gun).
Contributed By: Ultima Link.
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