Commander Keen Episode 2 was developed by ID Software, and published by Apogee in 1990. Just before heading home to Earth, Keen notices the Mothership is hovering over Earth, ready to destroy it. Keen rushes home and gets to bed so his parents don't know what's going on, and after they go to sleep, Keen heads back and boards the Mothership. Can Keen stop whatever is going on and save Earth?
