Portal 2 achievements
917
(510)

Portal 2

4.6 from 358 votes

There are a maximum of 51 Portal 2 achievements worth 917

8,747 tracked gamers have this game, 538 have completed it (6.15%)

Achievement Details

Lunacy in Portal 2

Lunacy13

That just happened

  • Unlocked by 5,195 tracked gamers (59% - TSA Ratio = 1.29) 8,753  
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