In Pictures: The best Oculus Rift virtual reality ...
When I was a kid I played a lot of Shufflepuck Cafe, an air hockey game, on my dad's Mac. As of last year there's a spiritual successor on Steam called Shufflepuck Cantina that's pretty fun (if a bit of a grind at times) and captures the wacky feel of the original—and it features Rift support.
The developers also created a Rift demo where you fly around on the back of a dragon, Dragonriders of Pern-style.
In Pictures: The best Oculus Rift virtual reality games, demos, and experiences