There are no game sounds after steam achievement show up. i tried to restart the game and adjust the game and my computer's volume but it's useless. i also uninstalled it and downloaded it back but it didn't work either. anyone knows the reasons?

I am one of those who need my vertical camera control to be reversed. And, you have no mouse Y axis invert option. This last part in 1st person was torture for me to move around. Please add an option to invert the mouse Y axis to the opposite of what they are now. Well, by the time you do this, I'll be done with the game. But, for future generations, please consider us old flight sim buffs who cannot play games unless our vertical mouselook is reversed. Every game that has first person views NEEDS to...

I'm currently in first-person mode on the rooftops, and am very confused as to how I'm supposed to interact with the puzzle in a meaningful way. I can move the bridges around, but that doesn't really do anything. All of the "puzzle" aspects, such as the key or the box, cannot be interacted with in the "real" world. But in the puzzle world, you always start in the lower right page, and it's impossible to leave it. The only thing I can do there is push the box around, but that doesn't seem to have any effect...

my game cant make it past the inital loading screen for unknown reasons. any fixes for this? white-ish screen with a black marker looking thing drawn over and over. literally walked away for 5 min and came back was still loading.

Some connectors are black whereas others are striped. What is the difference between them? Do black ones mean the connector is in the right place? Or something else?