Last year, Valve released - for free - a game called Alien Swarm, which ended up with a visual style somewhere…
Now playing
I've been playing a little Alien Swarm this week. It's a pretty good game as is, but that's not why it was…
As promised, Valve has released top-down co-op shooter Alien Swarm on Steam, free of charge. Have fun!
The Alien Swarm Unreal Tournament 2004 mod becomes a full, Source-powered four-player co-op tactics game, available…