Portal 2 achievements
904
(510)

Portal 2

4.6 from 489 votes

There are 51 Portal 2 achievements worth 904

11,507 tracked gamers have this game, 764 have completed it (6.64%)

Achievement Details

Lunacy in Portal 2

Lunacy13

That just happened

  • Unlocked by 6,721 tracked gamers (58% - TSA Ratio = 1.29) 11,518  

Achievement Guide for Lunacy

AuthorSolution
King Vicks II
12,683
King Vicks II
Achievement won on 23 Apr 13
TSA Score for this game: 249
Posted on 18 November 18 at 05:10
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Story related and cannot be missed. This unlocks after successfully completing the main story
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