On the other hand, it turns out that the PC version is also Linux compatible. I think that might be the way Ren'Py exports games by default? So yeah, you can just check the penguin next to that one, as well as the window.
Ohhhh yea. I think I forgot to check that when I updated the game files. )-)o Every time, man. (And yes, the PC version also works with Linux.) Thank you for letting me know! It should be good now.