Minimum System Requirements for the game
WindowsWindows XP+Duo Core @ 1.8Ghz+ (approx)2GB+ RAMVisual Studio 2012 - 32 bit RuntimeVideo card with at least 512MB Shared VRAM & openGL 2.0 support
MacMac OS 10.7+ (Lion)
You forgot one VERY important downside/requirement: Micro$oft .NET Framework 4