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Macintosh
Business Model Attribute Image Free (initially commercial)
Minimum CPU Class Required Attribute Image Intel Core Duo
Minimum OS Class Required Attribute Image Mac OS X 10.7 (Lion)
Minimum RAM Required Attribute Image 2 GB
Media Type Attribute Image Download
Input Devices Supported Attribute Image Gamepad, Attribute Image Keyboard, Attribute Image Mouse
Multiplayer Options Attribute Image Internet
Steam Achievements, Trading cards, Valve Anti-Cheat System (VAC), Workshop


Technical information contributed by Kennyannydenny (73600), jaXen (210762) and formercontrib (159324)