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Business Model Attribute Image Commercial
Minimum OS Class Required Attribute Image Windows XP
Minimum RAM Required Attribute Image 1 GB
Minimum DirectX Version Required Attribute Image DirectX 9.0c
Drivers/APIs Supported Direct3D, Attribute Image OpenGL
Media Type Attribute Image Download
Minimum Video Memory Required Attribute Image 256 MB
Video Modes Supported Full screen
Video Resolutions Supported Attribute Image 1680×1050
Sound Capabilities OpenAL
Input Devices Supported Joystick (Digital), Attribute Image Keyboard, Attribute Image Mouse
Number of Offline Players Attribute Image 1 Player
Steam Achievements, Cloud, Cross-platform, DLC available, Steam account required, Trading cards
Notes Processor: 3000 MHz
Graphics:Geforce 6600 or equivalent
100 MB hard disk space required.

Technical information contributed by Sciere (597383) and formercontrib (158966)