Portal 2 achievements
905
(510)

Portal 2

4.6 from 431 votes

There are a maximum of 51 Portal 2 achievements worth 905

9,965 tracked gamers have this game, 643 have completed it (6.45%)

Achievement Details

Portal Conservation Society in Portal 2

Portal Conservation Society29

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

  • Unlocked by 1,183 tracked gamers (12% - TSA Ratio = 2.92) 10,091  
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