Portal 2 achievements

Portal 2

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There are a maximum of 50 Portal 2 achievements worth 1,686 (1,000)

118,171 tracked gamers have this game, 12,002 have completed it (10.16%)

Achievement Details

Team Building in Portal 2

Team Building12 (10)

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

  • Unlocked by 82,740 tracked gamers (70% - TA Ratio = 1.19) 118,171  

Achievement Guide for Team Building

279,890 (172,306)
Achievement won on 20 Apr 11
TA Score for this game: 1,646
Posted on 21 April 11 at 12:57
This solution has 15 positive votes and 0 negative votes. Please log in to vote.
This is the first set of co-op chambers to complete. Most are tutorial like in nature and should not be difficult to complete. Good communication with your partner helps tremendously here.
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