Alien Swarm: Infested
Alien Swarm: Infested is an upcoming action strategy game featuring a unique blend of co-op play and squad level tactics all in an overhead view. As a Commander in the Interstellar Armed Forces, your job is to guide your squad and successfully complete their mission against the ravages of the Swarm infestation, a threat which plagues mankind across the breadth of colonized space.
AS:I is built upon the Source Engine from Valve and will be available as a competitively priced commercial game!