Portal 2 achievements
951
(510)

Portal 2

4.7 from 285 votes

There are a maximum of 51 Portal 2 achievements worth 951

7,117 tracked gamers have this game, 379 have completed it (5.33%)

Achievement Details

Party of Three in Portal 2

Party of Three28

Find the hidden companion cube in co-op test chamber

  • Unlocked by 891 tracked gamers (13% - TSA Ratio = 2.82) 7,117  
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