У вашего броузера проблема в совместимости с HTML5
Testing Quake2VR - a Quake 2 version made for VR such as Oculus Rift DK2
Has full head-tracking, rotational and positional. Notice the semi-decoupled aim and look (one can set up how large the safe-borders are before mouse-rotation will rotate view too).
To get Quake2VR (requires full game): https://github.com/q2vr/quake2vr