What are some really high end games/simulators?

Im looking for some recent or new games/simulators that really can put my new pc to the limit. My pc can play Crysis 2 max out no prob and im looking for like the top graphical games to put my system to the test. I prefer simulators, but fps and stuff also can work thanks! p.s. i already have: Crysis 2, GTA IV, Far Cry 2, Command and Conquer 3,4, and red alert 3, NFS hot pursuit, and Race Driver GRID, so please help me find really graphic stressing games, thanks for any help!