1 at the list of name(the door at right side of spawn)
2 at maze(the place you have to use flashlight) one outside of maze one in the top left of maze
Ps. You can find the map of maze before you enter the room of maze(there's a tiny hole on wall at the dark room before maze,it will be at the middle of top)
1 in muffin ass
Tree is at the door next to muffin
(I forgot if there's more or no)