Portal 2 achievements
898
(510)

Portal 2

4.6 from 525 votes

There are 51 Portal 2 achievements worth 898

12,635 tracked gamers have this game, 875 have completed it (6.93%)

Achievement Details

Team Building in Portal 2

Team Building13

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

  • Unlocked by 7,733 tracked gamers (61% - TSA Ratio = 1.27) 12,665  
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