"Join My Steam Group: http://steamcommunity.com/groups/GeniusPieTrap
Download Vireio: http://www.mtbs3d.com/index.php?option=com_jdownloads&Itemid=439&view=viewcategory&catid=10
Vireio Perception are FREE open source VR drivers that let you take existing games, and play them in VR on new and upcoming solutions like the Oculus Rift and castAR. They work with both AMD and Nvidia graphics cards, and are non-proprietary in nature."