System Requirements

Windows
Minimum:
 * OS: Windows 7 or later
 * Processor: 2 GHz Processor
 * Memory: 2 GB RAM
 * Graphics: Intel HD 3000
 * DirectX: Version 11
 * Storage: 2 GB available space

Mac OSX

 * Minimum:
 * OS: OS X Mavericks 10.9
 * Processor: Dual core from Intel
 * Memory: 2 GB RAM
 * Graphics: nVidia 320M or higher, or Radeon HD 2400 or higher, or Intel HD 3000 or higher
 * Storage: 2 GB available space

SteamOS/Linux

 * Minimum:
 * OS: Ubuntu 12.04
 * Processor: 2 GHz Processor
 * Memory: 2 GB RAM
 * Graphics: Intel HD 3000 (Driver mesa 10.6)
 * Storage: 1 GB available space