Favorite Steam Game?

CS
HL
Civ
TES

Deus Ex: Human Revolution

i have a lot..if i have to choose:killing floor,l4d,dungeon defenders

Company of Heroes.

Awesomenauts & CSS But i dont have them :D

Garry's Mod

Battlefield 3...

F.E.A.R. just love oldies :D

Ys Origin

Killing Floor.

New Vegas, Skyrim and Civ5.

Counter-Strike

Probably Mass Effect, The Witcher and Counter-Strike: Source

I'm really enjoying Saints Row 3 at the moment :) Probably Orcs Must Die though

XCOM: Enemy Unknown, Borderlands 2, Walking Dead

Portal 2 and Dungeon Defenders.

Audiosurf, Left4dead2, and Portal2

Atm Dawn of War :D

Counter strike the first and the best

JC2 / Portal 2 / Super Meat Boy / TF2 / Company of Heroes. Can't decide between them.

Actually my favorite Steam Game is Dota 2 :)

Half-Life 2

i love Portal (both titles), but i prefer CS:GO cause competitive mode is awesome xD