Linux
Steam Trading cards

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

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


Technical information contributed by GTramp (59775), Foxhack (22036) and formercontrib (159514)