Portal 2 achievements
940
(510)

Portal 2

4.7 from 320 votes

There are a maximum of 51 Portal 2 achievements worth 940

7,725 tracked gamers have this game, 438 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 1,003 tracked gamers (13% - TSA Ratio = 2.77) 7,725  
Do you have a question about this achievement? Please post it in the Portal 2 Forum

Related Achievements and Trophies