Boulder Ball is a 1-vs-3 minigame in Mario Party 3 and Mario Party Superstars.
Brolder - Super Mario Wiki, the Mario encyclopedia
Ptooie - Super Mario Wiki, the Mario encyclopedia
Kamek - Super Mario Wiki, the Mario encyclopedia
Super Mario RPG (Nintendo Switch) - Super Mario Wiki, the Mario encyclopedia
Morton Koopa Jr. - Super Mario Wiki, the Mario encyclopedia
Cappy - Super Mario Wiki, the Mario encyclopedia
Super Mario Galaxy, Nintendo
Bowser Jr. - Super Mario Wiki, the Mario encyclopedia
Princess Daisy - Super Mario Wiki, the Mario encyclopedia
Tanooki Mario - Super Mario Wiki, the Mario encyclopedia
Boo - Super Mario Wiki, the Mario encyclopedia
Toad - Super Mario Wiki, the Mario encyclopedia
Mario - Super Mario Wiki, the Mario encyclopedia
Luigi - Super Mario Wiki, the Mario encyclopedia