Rather than continue spamming up that thread in OD, I'll simply make a new topic here.
http://kotaku.com/5845201/wow-psycho...-a-mac-version
Apparently Psychonauts now has achievements, and can now be played on the Mac. And just when I was considering giving it a replay... What perfect timing.
So what are you people waiting for? If you've not played this amazing game by DoubleFine, you're missing out on something special. Now is a good time to do so.