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Donkey Kong Country/Levels/Bumble B. Rumble
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Bumble B. Rumble, the third boss level, is not that hard to beat. When you first hit Queen B. with a barrel she goes red. After this, you then need to hit her with five more barrels. The best way to avoid getting stung is to run underneath her when she goes up. Just run for each barrel and keep throwing them at her.