The Omni Group has released an OS X version of Oni. Oni is an anime-style adventure game designed to alleviate boredom. The new version ships ready for OS X. According to The Omni Group:
Play Oni, the exciting anime-styled action adventure game, on Mac OS X! Today, The Omni Group released Oni for Mac OS X. If you currently own a copy of Oni for Mac OS 9, get this great game up and running on Mac OS X.
Omni is dedicated to supporting the Mac OS X platform, and porting popular games to Appleis new platform is an essential part of Omniis efforts.
You can find more information about the OS X version of Oni at The Omni Group Web site.