12 achievements for 1000 Gamerscore
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Xenocide
Chapter 5 completed
60 Gamerscore
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Who needs life upgrades ?
Game completed with no life upgrade
60 Gamerscore
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Ultimate nano scientist
Game completed with both difficulties set to hard
120 Gamerscore
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Gold collector
All gold medals in story mode earned
120 Gamerscore
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Diamond collector
All diamond medals in story mode earned
160 Gamerscore
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No surprise for you !
Sample 8 completed without destroying a single bloated cell
60 Gamerscore
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Glueless
Sample 12 completed without touching a single sticky web
60 Gamerscore
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Live fast, die later
Sample 14 completed without slowing the chain
60 Gamerscore
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No smoking
Sample 17 completed without being poisoned once by toxins
60 Gamerscore
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It's NOT an ovocyte
Sample 21 completed without colliding with a single flagellate pathogen
60 Gamerscore
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Bam, bam, bam, bam and... bam!
Awarded with an extra chain reaction in chapter 4 or 5
60 Gamerscore
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Bring'em on!
Last wave difficulty reached in all challenges
120 Gamerscore