Probably should have mentioned that I’m on Linux and I don’t know if Alt+F4 works outside of Windows, but I just clicked outside of the game window to bring up my XFCE panel and right clicked on the game and clicked close in the menu that popped up. And if you do put in a proper quit command that’d be great.
(also, god dang it this game is just a-gets pummeled for potential spoilers)