Collapse is the 23rd Advanced floor in Monkey Ball and Super Monkey Ball, as well as the 52nd Advanced stage in Super Monkey Ball Deluxe. It also appears as the 92nd Ultimate stage with continues, and the 112th without. It is given a 5 out of 10 difficulty rating.
First, there are a bunch of holes. Second, there are bigger holes. Third, then it gets easier with straight paths, and then, it is the final path to the goal.