Minimum: OS *: Windows XP SP3 / Vista / 7 / 8 Processor: Intel/AMD Single-Core CPU 2.0 GHz Memory: 1 GB RAM HD Space: 300 MB hard disc space Video Card: Shader 2.0 and 128 MB RAM (Radeon HD, Geforce 8800GT) DirectX: DirectX 9.0c or OpenGL 2.1 Misc: Internet connection for online leaderboards