Alien Invasion is a fun an exciting action shooter game set on a local county with brooding with aliens on it. The game puts its players in the shoes of the local town sheriff, as he protects his dominion from the aliens using weapons he know.

The game starts with the sheriff wielding axe and a pistol. As the game advances, players can wield much stronger weapons based on the number of the aliens killed and collected money points.

Alien Invasion features simple controls, 12 different weapons, various type of alien characters and three difficulty type option. Also note that the game only support multi-touch devices.