Rating : 8.0/10 (by ign.com)
Minimum System Requirement :
-OS : Windows XP (SP3) / Windows Vista (SP2) / Windows 7
-CPU : Intel Pentium D 1.60GHz or AMD Athlon 64 X2 3800+
-Memory : 1GB RAM for XP / 2GB RAM for Vista or Win 7
-HDD : 8GB of free space
-VGA : 256MB with Shader 3.0 (NVIDIA GeForce 6800 / ATI Radeon X1600)
Screenshots from my PC :