VDrift is a cross-platform, open source driving simulation made with drift racing in mind. ItŐs powered by the excellent Vamos physics engine. It is released under the GNU General Public License (GPL) v2.
This game is in the early stages of development but is already very playable.
Universal Binary (PPC/Intel)
• 1 GHz PPC G4 processor or better.
• Mac OS X 10.4 or later.
• 64MB VRAM graphics card.