Serious Sam 3

OS: Windows® XP SP 3 (32-64 bits) / Windows Vista® (32-64 bits) / Windows 7® (32-64 bits) CPU: (Minimum) Dual-core from Intel or AMD at 2.0 GHz (Recommended) Quad-core from Intel or AMD at 2.0 GHz Memory: (Minimum) 2 GB RAM (Windows XP) / 2 GB (Windows Vista and Windows 7) (Recommended) 4 GB for Windows ® XP, 4 GB for Vista / Windows ® 7 Video MemoryMinimum) NVIDIA GeForce 7800/7900/8600 series (Recommended) NVIDIA GeForce 480/580 GTX HDD : 6 GB of free Hard Drive Space/ Sound Card: Microsoft Windows XP/Vista or 7 compatible sound card (100 per cent DirectX 9.0c-compatible)