Portal 2 achievements
907
(510)

Portal 2

4.6 from 447 votes

There are a maximum of 51 Portal 2 achievements worth 907

10,253 tracked gamers have this game, 657 have completed it (6.41%)

Achievement Details

Lunacy in Portal 2

Lunacy13

That just happened

  • Unlocked by 6,135 tracked gamers (60% - TSA Ratio = 1.29) 10,263  
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