Portal 2 achievements
946
(510)

Portal 2

4.7 from 295 votes

There are a maximum of 51 Portal 2 achievements worth 946

7,351 tracked gamers have this game, 411 have completed it (5.59%)

Achievement Details

Portal Conservation Society in Portal 2

Portal Conservation Society31

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

  • Unlocked by 747 tracked gamers (10% - TSA Ratio = 3.12) 7,351  
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