just got blood wizard achievement i can now help with any question

It opens for a few seconds, makes some broken oise then fully closes or freezes for a few seconds then closes, help

it opens with the godot engine logo, and then crashes after a few seconds. help me, please!!!!!

(Possible?) spoilers I'm mostly making this post since while looking up information myself, I couldn't find any of this. Ceiling hole room, (the Dark Zone ). For how hard it is to find, I'd have expected an ending out of it, even looked for the room after killing the boss. Is there really only one item and a steam achievement tied to it? It doesn't even feel like a particularly good one. Also, contrary to some information I've seen, it can indeed spawn on any floor. I've seen it on f...

as the title says game doesn't save on linux, I have tried checking if any save file gets created but nothing at all. its been hampering my enjoyment quite a bit Distro: Arch Linux Proton Version: Proton-GE