Go to the character selection screen. Then press [Delete], type porkcharsui and press [Enter]. Press one of the following keys to activate the corresponding debug function.

Debug Action Key to Press
Screen capture in .TGA format1 D
Zoom out K
Alternate zoom out ]
Zoom in L
Alternate zoom in [
Pan camera up [Keypad 8]
Pan camera down [Keypad 2]
Pan camera right [Keypad 6]
Pan camera left [Keypad 4]
Center camera view [Home]
Pause and advance single frame [Numpad Plus]
All weapons with full ammo [Keypad Asterisk]
Current status and coordinates C
Change screen mode R
Restart level [F12]