Portal 2 achievements
946
(510)

Portal 2

4.7 from 291 votes

There are a maximum of 51 Portal 2 achievements worth 946

7,307 tracked gamers have this game, 405 have completed it (5.54%)

Achievement Details

Party of Three in Portal 2

Party of Three28

Find the hidden companion cube in co-op test chamber

  • Unlocked by 931 tracked gamers (13% - TSA Ratio = 2.80) 7,307  
Do you have a question about this achievement? Please post it in the Portal 2 Forum

Related Achievements and Trophies