Games in which I observed the effect: TrackMania, Ut3, MirrorsEdge, Doom3, Prey, MaxPayne2, GTA4, Crysis, EliteForce2, HalfLife2, and I think there are many more, so I count at least 10 games, 8 more or less different engines and 3 APIs. I can show (and have shown) you screenshots if you like...