OS: Windows XP/Vista/7 Processor: AMD Phenom 9750 or Pentium D 800+ RAM: 2 GB Hard Drive: 2.5 GB available space Video Card: NVIDIA® GeForce® 7800 GT or ATI Radeon™ HD 3000+ or better DirectX: Version 9.0c Mark of the Ninja Special Edition PC Game Free Download Full Version - 21Mark of the Ninja Special Edition PC Game Free Download Full Version - 35Mark of the Ninja Special Edition PC Game Free Download Full Version - 35Mark of the Ninja Special Edition PC Game Free Download Full Version - 23