Portal 2 achievements
918
(510)

Portal 2

4.6 from 390 votes

There are a maximum of 51 Portal 2 achievements worth 918

9,314 tracked gamers have this game, 581 have completed it (6.24%)

Achievement Details

Ship Overboard in Portal 2

Ship Overboard18

Discover the missing experiment

  • Unlocked by 2,957 tracked gamers (30% - TSA Ratio = 1.82) 9,851  
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