Just picked up Tony Hawk's Pro Skater 2, and I'm very, very impressed with it running under OS X. I don't have a gamepad and I don't network play much, so the lack of those two options doesn't bother me. Carbonized THPS2 is fabulous under OS X. Frame rates like buttah on my G4 533 @ 1024x768, ZERO crashes, lockups, or any other badness. Absolutely flawless. And, the best part of all, NO CLASSIC!!!! I assume eventually they'll patch it to support gamepads and network play under OS X. But, like I said, I don't care at the moment.
I was a little nervous about the future of gaming on OS X, but with THPS2, I'm much happier. The future is looking very bright.
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