Bob-omb Mafia is a group of Bob-ombs leaded by Big Bob-omb. They make their only appearance in Mario Party Advance; despite the leader and the Bob-ombs appearing in many Mario games independently.


Bob-omb or Bob-omba told about where their boss is hiding. The player came to the Mushroom Condo, he hid under a rare floor, the basement. Until the player entered the floor, Big Bob-omb was shocked asking how did he find them. He asks for a dice game, the player agrees as the leader was pleased; then they competed each other. In the game, Big Bob-omb rolls the dice and then the player has to roll the highest number to defeat him with three rounds. As a reward, he grants him a Gaddget.

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