Portal 2 achievements
960
(510)

Portal 2

4.7 from 241 votes

There are a maximum of 51 Portal 2 achievements worth 960

6,287 tracked gamers have this game, 330 have completed it (5.25%)

Achievement Details

Party of Three in Portal 2

Party of Three28

Find the hidden companion cube in co-op test chamber

  • Unlocked by 776 tracked gamers (12% - TSA Ratio = 2.84) 6,287  
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