Steam deck start screen softlock

when a achievement says "all characters" dose that include the 4th secret character?

Steam Deck glitched graphics

How do Badges work?

Can you get achievements from level select?

Crash after launching the game

no proton support ?

Can you make a setting to save the game?

100% achievement and murky macabre achievement not unlocking?

Will we ever get a new project from the same dev?

I just can understand how i get the good and the bad ending

Game takes forever to launch, worked fine 2 weeks ago

How do i use the normal weapon in the 3 last levels?

Controller not working

Where can I find the ost to this game?