Portal 2 achievements
959
(510)

Portal 2

4.7 from 245 votes

There are a maximum of 51 Portal 2 achievements worth 959

6,348 tracked gamers have this game, 336 have completed it (5.29%)

Achievement Details

Portal Conservation Society in Portal 2

Portal Conservation Society32

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

  • Unlocked by 623 tracked gamers (10% - TSA Ratio = 3.18) 6,348  
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