Portal 2 achievements
911
(510)

Portal 2

4.6 from 329 votes

There are a maximum of 51 Portal 2 achievements worth 911

7,973 tracked gamers have this game, 493 have completed it (6.18%)

Achievement Details

Portal Conservation Society in Portal 2

Portal Conservation Society30

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

  • Unlocked by 896 tracked gamers (11% - TSA Ratio = 2.98) 7,973  
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