To what end? To pee? Who cares? Go ahead. When the line’s too long at one, people regularly duck into the free restroom in an emergency anyway. If you have to go, just go.
If someone goes into a public restroom with the intention of harming someone inside, it doesn’t matter what gender any of them are, or what they look like, or which bathroom it is. None of that matters. Don’t go into a bathroom with the intention of harming someone. That’s wrong. The end.
Most games on Steam work just fine when you turn on Proton. Gaming on linux has come a long way.