Alien Showdown - action game

Alien Showdown is a free online flash game of the category action games.

Alien Showdown - One man stands alone. Take out all the aliens coming after you, then all the aliens nest as you try.

Use mouse to shoot and arrow keys to move.

A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.