Portal 2 achievements
908
(510)

Portal 2

4.6 from 329 votes

There are a maximum of 51 Portal 2 achievements worth 908

7,953 tracked gamers have this game, 492 have completed it (6.19%)

Achievement Details

Team Building in Portal 2

Team Building13

Complete all test chambers in the Team Building co-op course

  • Unlocked by 4,728 tracked gamers (59% - TSA Ratio = 1.29) 7,953  
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