16 achievements for 1000 Gamerscore
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Switch Cadet
Get a final score of 10
10 Gamerscore
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Switch Officer
Get a final score of 50
10 Gamerscore
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Hyperdrive
Overload your weapon power and hyperdrive to the next sector
10 Gamerscore
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Sector Sweep
Complete an entire sector without missing any power-ups
30 Gamerscore
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Switch Lieutenant
Get a final score of 100
30 Gamerscore
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Shields Online
Acquire a shield
30 Gamerscore
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Switch Commander
Get a final score of 250
30 Gamerscore
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Switch Captain
Get a final score of 500
50 Gamerscore
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The Big Red One
Kill an incubator
100 Gamerscore
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Switch Commodore
Get a final score of 750
100 Gamerscore
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Xenocide
Kill 10,000 aliens
100 Gamerscore
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Power Shower
Acquire 1,000 power-ups
100 Gamerscore
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Switch Marshal
Get a final score of 1,000
100 Gamerscore
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Ultrahyperdrive
Hyperdrive 250 times
100 Gamerscore
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7th Heaven
Reach Sector 7
100 Gamerscore
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Yakety Sacs
Kill 50 Incubators
100 Gamerscore