Actually there is Background music but its random sometime you hear it sometimes no, kinda like a ghostly song, also about the fuel yes it does go out but thats the point, without it you wont feel as pressured, also the notes pause the game so take as much time as you want on it! also, In a future update i will add difficulty settings so that you can actually play however you like, There is a bug that i know about wich is if you pause the game you can't unpause it, i will repair that alongside the doors wich dont work alwasy, but it will take some time as im exausted from the gamejam