Duke Nukem 3D

Duke Nukem 3D

Stage Select
At the main options screen,press X,Y,Z,Z,Y,X,Y,Z,Y.

All Weapons
First pause the game and then press Z, X, X, Z, Y, Z, Y, X, Y. You should now have all weapons.

Debug Mode
Hold X + Y + Z + L + R at the main menu screen until the phrase ''Info Mode: On'' appears.

No Monsters
Pause game play and press Z,Z,X,X,Y,X,Y,X Z at the skill level selection screen. A new ''No Monster'' skill level mode will appear and become selectable.

God Mode
Pause the game and press X, Z(2), X, Y, X, Y, Z, Y.

Turok Style
Pause the game, press Y,Y,Z,Z,X,X,Y,X,Z.