I have a been wondering this for a long time. You know console games, for example, Ocarina of Time, Mario Kart etc. They run at 20-30 fps, and it´s smooth and all, totally playable without stutter. But if you run 20-30 fps on a PC game, it´s like a slideshow, pretty much unplayable. Why is that? PS: doesn´t Darksiders 2 have AO ingame, atleast i see it in settings?