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. Featuring Assault Rifles, Heat Tracking Guns, Sentry Guns, Flamethrowers and more. Supports co-operative multiplayer.

NOTE: Alien Swarm requires Unreal Tournament 2004.

This guide takes that you have installed UT2004 as UGA's UT2004 guide suggested.

Make sure that the driver to your 3D graphic card is proper installed and working.
Test if UT2004 is working properly.

Download Alien Swarm to your Desktop, thereafter open the terminal;

Download

Code:

cd ~/Desktop
sudo unzip AlienSwarm-v13.zip -d /usr/local/games/ut2004

Download the latest Alien Swarm patch to your Desktop;

Download

Code:

cd ~/Desktop
sudo unzip AlienSwarm_13_or_131_to_132_Patch.zip -d /usr/local/games/ut2004

Save alienswarm.png to your Desktop;

Code:

cd ~/Desktop
sudo mv alienswarm.png /usr/local/games/ut2004/AlienSwarm
sudo nano /usr/share/applications/alienswarm.desktop

add the following;

Then save (ctrl)+(o) and exit (ctrl)+(x).

Code:

killall gnome-panel

You can now launch Alien Swarm from Applications —> Games —> Alien Swarm

Enjoy!

Alien Swarm: The Telic Campaign