| Achievement | How to unlock
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| - Unlock access to world 7 in campaign mode.
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| - Unlock access to world 3 in campaign mode.
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| - Get 5 diamond helmets in campaign mode.
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| - Unlock access to world 5 in campaign mode.
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| - Get all copper helmets in campaign mode.
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| |
| - Kill 10 enemies in a row without losing a life in a multiplayer game.
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| - Complete 5 levels in campaign mode.
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| |
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| - Kill 3 enemies in 4 seconds in a multiplayer game.
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| - Play 20 multiplayer games.
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| - Get all gold helmets in campaign mode.
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