System Requirements:
OS: Windows XP Sp3, Windows Vista Sp2
Processor: 2.4 ghz multicore recommended
Memory: 1.0 GB or more
Graphics: 256 MB, Shader model 2.0, ATI 9600, NVidia 6600 or better, recommended Shader model 3.0
DirectX®: 9.0c
Hard Drive: 3.5 GB
Sound: DirectX 9.0c compatible soundcard

Download Links:
Download Twin Sector