Before adding me please write a reason in comments.



Modding Alien Swarm and Nuclear Dawn.

I like cooperative, sci-fi, w40k games. Favorite are:
Alien Swarm
Alien Swarm: Reactive Drop
Nuclear Dawn
Counter Strike
Half Life Deathmatch
Warhammer Dawn of War (including Dark Crusade, Soulstorm)
Half-Life 2 and its episodes
Portal
Left 4 Dead
Killing Floor 1 & 2
Need for Speed Underground
Need for Speed Most Wanted

youtube
Alien Swarm Addons [sites.google.com]