Pause Duke Nukem 3D and enter the follwing codes:
Code Effect press A, C, D, C, and then press the lower right corner of the screen two times. All Items B, A, D, A, D, D All Weapons and Maximum Ammunition A, C, D, A, B, D, A, B, C, D, C, B, B, D, A Instantly Kill All Enemies A, C, D, D, A. Invincibility (You need a 'web link' cart before you can do this code.)
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