1. Endless Space - Collection Achievements
2. Cleansing the Galaxy achievement

Endless Space - Collection

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Cleansing the Galaxy achievement in Endless Space - Collection

Cleansing the Galaxy

As the Harmony, purify 10 systems in a game

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How to unlock the Cleansing the Galaxy achievement

• Koleriker71,759

  31 Jan 2018 01 Feb 2018
  0 0 0

  Purifying a system simply requires you to build the improvement "Contamination Barrier". To be able to build that, you need to research "Personal shielding", which is about 60% through the military tech-tree.

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