My Intel Pentium G860 with and Intel Family HD igpu ran it perfectly fine. Not 1080 of course. And not fully 100% speed. But it was def playable.
i5 3570k @ 4.2GHz | CM Hyper 212 Evo | Sapphire 7870 XT @ 1270MHz | G. Skill Ripjaws X Series 8GB 1600MHz | Gigabyte GA-Z77X-D3H | Seagate Barracuda 1TB 7200RPM | SeaSonic G 550W Gold | Coolermaster HAF 922 Case | Acer G215hv 1920x1080