nostr:npub1j6xj9khu2usm9xvyp2zes4yj4eua9f3mvuz04sm8t7gjctukk99q0pq4dz nostr:npub1uynrp5ef6363gs7xh2tk87m8ecgtu3uffdrgq8242lj5z6p44qrs3yplnj pretty much every engine that targets steam uses openvr on the backend, so vr suport should be fairly identical to anything implementing it. ( for the big names Unity/Unreal/Godot/Cryengine and lumberyard all use it as the backend)

https://github.com/ValveSoftware/openvr/wiki/API-Documentation

Support for other api's like the Oculus proprietary one is going to vary a lot more though.