Portal 2 achievements
917
(510)

Portal 2

4.6 from 358 votes

There are a maximum of 51 Portal 2 achievements worth 917

8,757 tracked gamers have this game, 540 have completed it (6.17%)

Achievement Details

Iron Grip in Portal 2

Iron Grip28

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

  • Unlocked by 1,112 tracked gamers (13% - TSA Ratio = 2.80) 8,763  
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