My friend and I made a VR game for the 3rd Godot XR Jam _entirely_ on the headset in VR (using a version of the Godot editor that runs on the headset), and he just posted a really cool video about it:
https://www.youtube.com/watch?v=6RE8KuCspqw
I think you might enjoy it!
YouTube
Can we make a Godot VR Game... in VR?