OS: Windows 7 (64-bit) Processor: Quad-core Intel or AMD processor, 2.5 GHz or faster RAM: 8 GB Hard Drive: 900 MB available space Video Card: NVIDIA GeForce 470 GTX or AMD Radeon 6870 HD DirectX: Version 9.0c Spiralagon PC Game Free Download Full Version - 18Spiralagon PC Game Free Download Full Version - 51Spiralagon PC Game Free Download Full Version - 89Spiralagon PC Game Free Download Full Version - 27