Battlefield 3/4 Fallout 3/New Vegas/4 Mass Effect 1/2 (3 was a bit letdown because of the ending, though multiplayer was really cool) S.T.A.L.K.E.R. (whole franchise) Command & Conquer 3 Tiberium Wars Heavy Rain The Last Of Us Halo CE/2 Counter Strike 1.6 Dead Space (whole franchise)