Wolfenstien 3D
Load the game as follows: WOLF3D-GOOBERS
Once in the game, press the following keys: LFT-SHIFT+LFT-ALT+BACKSPACE.
You should see a message stating that the debug keys are now active.
TAB+B (change border color)
TAB+C (change characteristics)
TAB+E (end level)
TAB+F (?)
TAB+G (god mode)
TAB+H (subtract health)
TAB+I (free items)
TAB+M (memory usage)
TAB+P (pause game: border turns white)
TAB+Q (quit game)
TAB+S (slow motion)
TAB+T (table of sprites, graphics, and their location)
TAB+V (add VBL's [0-8])
TAB+W (warps to a level [1-10])
TAB+X (extra stuff)