Bonus Wave is the 10th stage of Advanced in Monkey Ball, Super Monkey Ball, and Super Monkey Ball Deluxe as well as the 10th stage of Expert in Monkey Ball and Super Monkey Ball. It is also the 50th Ultimate stage with continues and the 70th stage without.
This stage is a simple platform surrounded by a fence. It has a count of fifty Bananas. Once the timer starts, the platform slowly starts rippling, and makes circle-shaped waves, hence the name. It soon gets much harder to control.
Perfect Score Tutorial
Starting with the inner circle of bananas, control your monkey using the joystick very carefully. Now, go around the circle of bananas until you get all of them. Then, continue with the outer circle. You only have 30 seconds to do this, so move fast but very precisely.