Performance will be back if VR gets adopted. At 90 fps, you have around 11 milliseconds to update your game state and render views for each eye. That is not muc

Performance will be back if VR gets adopted. At 90 fps, you have around 11 milliseconds to update your game state and render views for each eye. That is not much time. C#/unity and scripting languages will have a noticeable penalty compared to native C code. Bloated engines will likely suffer as well.