Commander K. Wii is a port of the CloneKeen game engine by Caitlin Shaw ( http://clonekeen.sourceforge.net/ ). This game engine allow you (if you have the original data files) to play the 3 first episodes of Commander Keen by Id Software. It should be also say that this adaptation starting not from the CloneKeen Sources but from Alekmaul DS adaptation ( http://www.portabledev.com/pages/ds/jeuxdev.-perso/commandskeen.php ).

http://www.wiibrew.org/wiki/Commander_K._Wii