This wiki serves as a resource for all Alien Swarm Titles, information on all versions can be found throughout this resource.

Alien Swarm: Reactive Drop Edit

Main article: Alien Swarm Reactive Drop

Alien Swarm: Reactive Drop is a standalone game which extends Alien Swarm through new maps, aliens, game modes, guns and most importantly Steam Workshop support.

Alien Swarm for SourceEdit

Main article: Alien Swarm Source

Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.

Alien Swarm for UT 2K4Edit

Main article: Alien Swarm 2K4

There is an older version of this game available. It is a modification of Unreal Tournament 2004, and has won the 'Make something unreal' contest back then. While it met with much appreciation and kept a small but steady player base, it is NOT what this wiki is about. Information and download links can be found at their website, where it is referred to as AlienSwarm2K4.

Community content is available under CC-BY-SA unless otherwise noted.