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GameBoy : Duke Nukem Cheats
Below are the cheats, hints, and tips that Game Gas knows about for Duke Nukem. On the right are
websites that may have additional cheat codes, hints, or tips for Duke Nukem.
Invincibility
At the Title screen, press Up, Down, Down, Left, Right, Left, Up, Up. If you want to enter both of these codes you must enter this one first.
Level Select
At the Title screen, press Left, Right, Up, Up, Down, Up, Right, Left.