Unless I am missing it, there needs to be a way to control the sound volume for the background. At least an on/off toggle?

I've idled the game for over 3 hours. I've idled the game in a level for over 3 hours. I've idled with a script to simulate movement for over 3 hours. So I'm wondering if there's something else to try other than reinstalling the game. That or just to get this out there in case it's properly bugged...

I. Swear. To. God. this level isn't beatable...can anyone give me a clue as to how to beat it...

Is there a way to control viewing angle or zoom? Like using the mouse wheel for zooming in and out?

Achievements are a bit of a mess. I received one for playing for an hour a little while after returning to the game and I guessed maybe I achieved this time and Steam hasn't updated playtime yet. However minutes after that I achieved achevement for playing two and 23 hours (by the icon I guess it was supposed to be three hours?) and I most certainly haven't played that long. Moreover despite completing level 8 numerous times corresponding achievement doesn't unlock and level 8 isn't counted for ...