At E3 this year, Bethesda is porting 3 existing blockbuster games into VR format. Steam release is expected to work with both Vive and Oculus Rift.
Fallout 4: October 2017 on Playstation VR and Steam
Price: Steam preorder $59.99
Skyrim: November 2017 on timed exclusive Playstation VR. Steam release expected on a later date.
Price: PSVR preorder $59.99
Doom: expected Q4 2017 on Steam and Playstation VR.
Price: Steam preorder $29.99