Duke Nukem 64 Cheats

You need to enter this Cheat Menu code before you enter any of the other codes:
Cheat Menu:
At the main menu pressLeft, Left, L, L, Right, Right, Left, Left.
Press R seven times followed by a Left on the d-pad, if entered correctly you should hear a tone. Now open the cheat menu and turn invincibility on.
Full Items:
Press R, C-Right, Right, L, C-Left, Left, C-Right, Right, then open the cheat menu and you should have an item that says All Items
No Monters:
Press L, Left C, Left, R, Right C, Right, Left, Left, Right, if entered correctly then you should hear a siren then open the cheat menu + click on monters
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