14 achievements for 1000 Gamerscore
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All Achievements
Get every achievement
200 Gamerscore
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End game
Beat the game
50 Gamerscore
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End game - Hard
Beat the game in hard mode
50 Gamerscore
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End game - Speedrun
Beat the game in less than two hours
50 Gamerscore
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All-powerful
Acquire every superpower
50 Gamerscore
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Rescuer
Finish one mission with no casualties
50 Gamerscore
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Savior
Finish 3 missions with no casualties
50 Gamerscore
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Hero
Get rank A in one mission
50 Gamerscore
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Super superhero
Get rank A in all the missions
200 Gamerscore
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Three
Destroy 3 enemies with a single Gigaton Blast
50 Gamerscore
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Apocalyptic
Destroy Earth
50 Gamerscore
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Suicide
Kill yourself
50 Gamerscore
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Collector
Collect every Xenosphere
50 Gamerscore
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Explorer
Get really far from Earth
50 Gamerscore