Damage the following Bosses with the indicated technique. A sound will confirm correct code entry. Defeat the boss, then the next level will then be in Hard mode.
Damage move | How to unlock
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Axel Gear | Have him get hit by the tracking purple ball attack that he uses.
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Wolf King | Wait for him to stand on top of a breakable floor block. Hit him until laughs, then drill attack the floor so that he falls.
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Wolf Robot | Reflect his dynamite back at his face.
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