I swear at some point it had Linux under the system requirements.. If not, anyone knows how's the game with Proton?

i started up a new game, bashed up over 100 cryptids and while the game did track the three bash-related achievements in-game, i got none for the steam ones. no pop-ups either. the patch list for 1.2.2 says it's been fixed/re-added, but it's possible it might've broken itself again in 1.2.3?...

I guess it seems likely that the final monster is the final boss himself, so I could go and take him on, but I see there's a bestiary entry in this general area near that boss as well and I simply cannot locate it! I'm pulling my hair out over this. I just can't find it no matter what route I take. Would someone please help me?...

Will it have it in the future?

The monster radar says there's about ten monsters underneath the very first area (underneath the school), but I can't for the life of me figure out how to get there. I've been to the blood hallway and everything else, i'm sure I'm just missing something. Please help!...