The players are in a pinball game controlled by Bowser. Bowser has 30 seconds to shoot Spiked Balls to harm players. Other elements from a real pinball machine also appear here, with overhead bumpers and a moving wall. The players lose one heart every time they get hit. The game starts with one ball, and after about 5 seconds, a second ball appears from the left. If one of the balls falls in the center, the same ball will re-appear after a few seconds.
The player playing as Bowser can actually shake the Wii U Gamepad to briefly stun the other players. This is never explained in-game, however.
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