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The Power-Up Bloon, also known as Mystery Bloon by some players, is a Bloon that appears exclusively in Bloons Super Monkey 2 and Bloons Super Monkey 2 Mobile. On Bloons Super Monkey 2, it has the same amount of health as a Red Bloon. It is represented by a red color with a question mark (?) on it. If popped, it drops a powerup that the Super Monkey can get, similar to the Golden Bloon. It only appears in stages 1-4, 2-2, 4-2, 4-3, and 4-4. On Bloons Super Monkey 2 Mobile, it is represented as a bloon that is any type of non MOAB or boss bloons.