The musl c library version isn’t broken there are just some applications that aren’t compatible. Steam games on proton just have a much higher chance of being incompatible and the void devs can’t prod them to fix their code.

I would recommend using the glibc version if your goal is gaming.

Yes you can. It is in the non-free repo.

Void Linux! There are single digits of us!

Void made Linux fun again for me. It gets so much right with the rolling release model.