The minigame is set in a wide octagonal arena. There are up to 16 players split into two or four teams, depending on whether it is a 2-vs.-2 game or a free-for-all game. Players need to roll into each other to knock each other off the arena. Unlike in Bumper Balls, players can charge up a boost, allowing them to knock off others more easily. The last team standing wins.
On the Challenge Road, this is the 5th challenge of Ghostly Hollow and the 39th challenge overall. This minigame is played in a 4-player format, where each other player has two allies. In the normal challenge the player also has two allies, but in the Master Challenge the player has no allies.
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