I agree with Valorin, the camera is a little frustrating currently. I can't see where I'm turning to, since the camera rotation is lagging behind. Hopefully you will support the Oculus VR, so I can look where I want to. I'm happy to pay towards that.
I am also having an issue with the XBox controller. I mapped Left Brake to Axis 9 (Left Trigger) and Right break to Axis 3 (Right Trigger). But I can't press them both fully, only one break is active at a time. There seems to be some mixing going on. As I add left break it removes right break.
Amazing work!