- OS: OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.
- Processor: Intel Core 2 Duo or G5
- Memory: 2GB
- Graphics: GeForce or Radeon x6xx type or better
- Hard Drive: 100MB
- Sound:
If the game crashes or hangs on startup, please disable Steam Community In-Game in the game's properties.