Portal 2 achievements
960
(510)

Portal 2

4.7 from 241 votes

There are a maximum of 51 Portal 2 achievements worth 960

6,302 tracked gamers have this game, 334 have completed it (5.30%)

Achievement Details

Lunacy in Portal 2

Lunacy13

That just happened

  • Unlocked by 3,472 tracked gamers (55% - TSA Ratio = 1.34) 6,302  
Do you have a question about this achievement? Please post it in the Portal 2 Forum