Complete the following achievements to unlock Xbox Live Gamerscore points.
| Achievement | How to unlock
|
|---|
| Foo Fighter (10 points) | Shoot down 40 UFOs with your P-51 Mustang.
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| Mr. Roboto (25 points) | Defeat RoboBob.
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| Rocketman (15 points) | Find all of the golden rockets in Invasion.
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