| Achievement | How to unlock
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|---|
| 10x Multiplier (25 points) | Get the multiplier to x10 in Single Player.
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| 10x Multiplier Twins (20 points) | Both players get their multiplier to x10 in Multiplayer.
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| 2x Multiplier (5 points) | Get the multiplier to x2 in Single Player.
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| All Beastie Combos (30 points) | Get all the Beastie Combos by shooting a certain amount of each of the special beasties.
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| Beastie Combo (5 points) | Get a Beastie Combo by shooting a certain amount of only 1 type of beastie.
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| Black Belt Grandmaster (35 points) | Complete all 16 levels on Black Belt in Single Player.
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| Empire Level 1 (5 points) | Complete Level 1 on any difficulty.
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| Empire World 1 (10 points) | Complete World 1 on any difficulty.
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| Empire World 2 (10 points) | Complete World 2 on any difficulty.
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| Empire World 3 (15 points) | Complete World 3 on any difficulty.
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| Empire World 4 (20 points) | Complete World 4 on any difficulty.
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| Millionaire Twins (20 points) | Both players get a million points each in Multiplayer.
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