Yes the popular touch game is now free and with 48 new levels being created that will be available soon.
Aliens have attacked and are trying to terraform the planet!
You must smash, swipe, squash and flick the aliens to defend your planet and protect your big cannon. Lose your cannon and you lose the war. The skies are crowded so donâ€™t smash the wrong guys. Play for a minute or for an hour. It may start simple but be warned the end is brutal. It is easy to learn but hard to perfect.
Four finger multi-touch capable
Twenty four levels
Over two dozen aliens
Four mini games
Collectors card for each alien
One big cannon
Get Alien Decursion: Gratis for Free. Look for Alien Decursion: Gratis under the Action category of Games.