Tips and cheats
Are you stuck? Here, you can find tips that might help you. Still stuck? You can cheat. You'll find cheat options, debug codes and level warp codes. Just select the trilogy or episode of your choice.
Commander Keen 1-3: Invasion of the Vorticons
Commander Keen: The Lost Episode (Keen Dreams)
Commander Keen: Goodbye, Galaxy!
Commander Keen 6: Aliens Ate my Babysitter