| Achievement | How to unlock
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| - Found all of the golden cubes in The Kaiser's Battle.
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| - Completed Campaign+ and earned all Ration Tickets.
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| - Guided a shell to its destination.
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| - Shot down 40 UFOs with your P-51 Mustang.
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| - Earned General Rank on a level.
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| - Earned a 40x blast combo.
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- Pip, Squeak & Wilfred (5)
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| - Found all of the golden rockets in Invasion.
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| - Earned General Rank on all Campaign levels.
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| - Completed a level in Elite mode.
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