| Achievement | How to unlock
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| Base Rat (15) | Found all of the golden cubes in The Kaiser's Battle.
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| Brass Hat (25) | Completed Campaign+ and earned all Ration Tickets.
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| Coffin Nails (30) | Completed the Campaign.
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| Fire in the Hole (10) | Guided a shell to its destination.
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| Flying Pig (20) | Defeated Zeppelin.
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| Foo Fighter (10) | Shot down 40 UFOs with your P-51 Mustang.
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| Foot Slogger (10) | Earned General Rank on a level.
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| Grass Cutter (10) | Earned a 40x blast combo.
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| Jumped the Bags (10) | Completed level 1.
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| Land Ship (25) | Defeated the K-Wagen.
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| Mr. Roboto (25) | Defeated RoboBob.
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| Old Contemptible (20) | Defeated Tsar Tank.
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| Old Sweat (20) | Defeated Uber Tank.
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| Pip, Squeak & Wilfred (5) | Survived until Round 5.
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| Rocketman (15) | Found all of the golden rockets in Invasion.
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| Sweet Fancy Adams (20) | Earned General Rank on all Campaign levels.
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| Throw a Seven (15) | Completed a level in Elite mode.
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