Alien Swarm: Reactive Drop – The Newest Alien Swarm Video Game from Valve

In July 2010, Valve introduced a freeware multiplayer top-down shooter video game where players must eliminate waves of aliens. This year, Valve releases the newest video game in the series titled Alien Swarm: Reactive Drop. Developed by Reactive Drop Team, the game will extend the original Alien Swarm, introducing new maps, aliens, game modes, and…