The classic game series, Commander Keen, hit the Flash. This is the very first title of the series, “Invasion of the Vorticons” - Episode One: Marooned on Mars. Not really perfect, but still good and worth playing.

You move your character around with the arrow keys. To jump, press the up button, while to shoot (once you get a gun), use the down bottom. And once you get a pogo stick, you can use it by pressing the Shift key.

I haven’t finish this game yet. Not that it’s hard, but I don’t really like this platform-type game…

Btw, if you don’t know yet, Commander Keen was ID Software first game. It was published on 1990, which later followed by Duke Nukem on 1991.

Enough the history. You can start playing this game by clicking on the Source link below.