Unreal Development Kit (Game Engine)
Unreal Development Kit is a Game Engine which provide development for DirectX 9/10/11 PCs, the Xbox 360, the PlayStation 3, and OpenGL-based OSes (Mac OS X, iOS). Minimum and recommended system requirements are:
Minimum:
Windows XP SP2 or Windows Vista
2.0+ GHz processor
2 GB system RAM
SM3-compatible video card
3 GB free hard drive space
Recommended for Content Development:
Windows Vista 64 SP2
2.0+ GHz multi-core processor
8 GB System RAM
NVIDIA 8000 series or higher graphics card
Plenty of HDD space