The Alien Swarm Unreal Tournament 2004 mod becomes a full, Source-powered four-player co-op tactics game, available for free on Steam this Monday, courtesy of the nice folks at Valve.
Valve hired on the team responsible for Alien Swarm two years ago. Since then, they've been busy working on the Left 4 Dead series and now Portal 2, but they've managed to squeeze out a little extra time to update Alien Swarm as a full Source release.
Left 4 Dead meets Smash TV in Alien Swarm, a new free game available on Steam for the PC. Morgan Webb and Kevin Pereira take a look at this top down, four player co-op.
