| Achievement | How to unlock
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| - Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with at least B rank.
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| - Unlock the first Winterland level.
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| - Beat the final level in the Factory.
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| - Complete all missions in the Factory with at least A rank.
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| - Complete all missions in the Factory with S rank.
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| - Exterminate 1000 enemies.
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| - Complete all missions in the Forest with at least A rank.
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| - Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with S rank.
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| - Unlock the first Factory level.
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| - Complete all missions in the Seacoast with at least A rank.
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| - Buy 10 Muscleman shop items.
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| - Complete all missions at the Seacoast with S rank.
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| - Buy 10 Engineer shop items.
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| - Buy 10 Commando shop items.
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| - Complete all missions in the Forest with S rank.
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| - Unlock the first Seacoast level.
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| - Complete all missions in the Winterland with at least A rank.
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| - Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with at least A rank.
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| - Exterminate 5000 enemies.
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| - Read all tips in the Forest, at the Seacoast, in the Winterland and in the Factory.
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| - Buy 10 Private shop items.
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| - Buy all shop items in the game.
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| - Kill 10 enemies in the combo 10 times.
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