Walk down the stairs and turn hard right. Then stop in the doorway on the right.
Go down the stairs and make a quick right. Following that, make another quick right and continue straight ahead until you see the arcade machine on your right. After you pass the arcade machine, wait by the door.
Go down the stairs and turn right. Walk parallel to the stairs and past the pool table and stop in the doorway of the bedroom to the left of the arcade machine.