5 small little not-so puzzles

UPDATE: MENU BUTTONS NOW WORK AND YOU CAN PLAY IT this is objectively the perfect game i mean i said id release this by the end of the day and so here it is so like just go find the yellow circular button, stand on it, and walk through the the the the thing that opens up on the left and just walk until it brings you to the next scene i really dont know when it happens i just put the thing somewhere down the hallway