Alien Swarm is an overhead view tactical squad-based shooter for UT2K4. Set in the the distant future, the players take the role of a Commander in the Interstellar Armed Forces. They must guide their squad of marines through Swarm infested colonies, overrun bases and outposts, to achieve a variety of objectives. Alien Swarm features: Unique blend of action and strategy. 1-8 players co-operative play. Single mission or Campaign mode. Large array of equipment for your marines, including Assault rifles, Shotguns, SynTek SmartEye Autoguns, Flamethrowers, Pistols, Incendiary Mines, Flares, Stim Packs, Ammo Bags, Sentry Guns, Medkits and more!
Alien Swarm requires UT2004 (if you're looking for the recently announced Alien Swarm: Infested, that is still in development. Stay tuned to the site for updates).