There's less Unreal based games for VR than Unity but some of the most graphically impressive titles are based on Unreal. Robo Recall for example. Valve's The

There's less Unreal based games for VR than Unity but some of the most graphically impressive titles are based on Unreal. Robo Recall for example. Valve's The Lab plumped for Unity because of the state of Unreal's forward renderer at the time but they wrote their own renderer. This was fair while back and both engines have moved on since then.