Portal 2 achievements
942
(510)

Portal 2

4.7 from 310 votes

There are a maximum of 51 Portal 2 achievements worth 942

7,509 tracked gamers have this game, 426 have completed it (5.67%)

Achievement Details

Party of Three in Portal 2

Party of Three28

Find the hidden companion cube in co-op test chamber

  • Unlocked by 965 tracked gamers (13% - TSA Ratio = 2.78) 7,509  
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