Commander Keen is back. In the modernised Definitive Edition of the lost episode "Keen Dream", Keen has to fend off a nasty nightmare about evil vegetables. The Definitive Edition features full widescreen support, twelve all-new levels - doubling the length over the 1990 original - and a full music score. The game structure has been reworked to make the game a more modern experience without sacrificing any of the original charm!

Controls:
Left Control Stick: Move Keen, look up and down
B Button: Jump, drop down from platforms that are not solid from below (if Control Stick is pressed down)
Y Button: Run
ZR Button: throw a seed to stun enemies. You can throw seed up, too, by keeping up pressed on the Control Stick
Plus Button: Pause the game

More details on the official game page of Commander Keen in Keen Dreams: Definitive Edition ...