Linux
Steam Trading cards

Macintosh
Business Model Attribute Image Commercial
Minimum CPU Class Required Attribute Image PowerPC 7xx / PowerPC G3
Minimum OS Class Required Attribute Image Mac OS X 10.6 (Snow Leopard)
Minimum RAM Required Attribute Image 256 MB
Media Type Attribute Image Download
Minimum Video Memory Required Attribute Image 32 MB
Input Devices Supported Attribute Image Keyboard, Attribute Image Mouse
Multiplayer Options Attribute Image Internet
Number of Offline Players Attribute Image 1 Player
Steam Cross-platform, Trading cards
Notes 1200 MB hard drive space and Broadband Internet connection required.

Windows
Business Model Attribute Image Commercial
Minimum CPU Class Required Attribute Image Intel Pentium III
Minimum OS Class Required Attribute Image Windows XP
Minimum RAM Required Attribute Image 128 MB
Media Type Attribute Image Download
Minimum Video Memory Required Attribute Image 32 MB
Additional Hardware Required Attribute Image 3D Accelerator
Multiplayer Options Attribute Image Internet
Number of Offline Players Attribute Image 1 Player
Steam Cross-platform, Trading cards


Technical information contributed by GTramp (60461), Foxhack (24094) and formercontrib (159487)