You made it very far, the wind room was indeed the last room, after that just a small corridor and the ending.
I was just fixing the code for my audio manager to have dialogues queue up properly, which I’m hoping was the problem with the overlap you were referring to. There’s one instance where you can get multiple movable blocks making their sound at the same time and it’s not sounding great too, but that I haven’t gotten to yet.
Glad you had more fun than anticipated :D A bit curious what you anticipated and why :)