Osmos

Osmos

12 Achievements

200

Xbox 360
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Purity

Purity

All Ambient zones completed!

20

How to unlock the Purity achievement in Osmos - Definitive Guide

You have to complete all fifteen levels in the Ambient Zone;
  • Ambient Welcome (2)
  • Ambient Tour (4)
  • Deep Ambient (3)
  • Ambient Impasse (3)
  • Antimatter (3)
Once you have completed all 15 of these levels, the achievement will unlock.
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