Commander Keen(episodes 4-6)

To enter debug mode, load the game, then type A+2 ENTER.

F10+B (change border color)

F10+C (current # of objects)

F10+D (record demo)

F10+E (end level)

F10+G (god mode)

F10+I (free items)

F10+J (jump cheat)

F10+M (memory usage)

F10+N (clipping mode on/off)

F10+S (slow motion)

F10+T (sprite test)

F10+V (extra VBL's)

F10+W (warp)

F10+F9 (boss button: use this at work)