Boss Battles Mode is a mode featured in Super Smash Bros. Brawl, where you fight most of the bosses from the series. It is similar to All-Star Mode, in that you only have one life and you health does not recover after each battle. It is an unlockable mode and is unlocked after beating Classic and Subspace Emissary mode for the first time. The bosses fought in this mode includes:
Tabuu is the final boss of this mode. The rest of the boss are fought in any random order, however. Master Hand and Crazy Hand are also fought in Classic Mode, whereas the rest are also fought in Subspace Emissary mode.