Portal 2 achievements

Portal 2

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There are 50 Portal 2 achievements worth 1,705 (1,000)

126,815 tracked gamers have this game, 12,371 have completed it (9.76%)

Achievement Details

Portal Conservation Society in Portal 2

Portal Conservation Society43 (20)

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

  • Unlocked by 28,056 tracked gamers (22% - TA Ratio = 2.12) 127,636  

Achievement Guide for Portal Conservation Society

This solution has 153 positive votes and 10 negative votes. Please log in to vote.
This achievement is on Hard Light Surfaces, Test Chamber 3. This video by SoftlyAdverse will show you the easiest and quickest way to get this achievement.
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