Portal 2 achievements
961
(510)

Portal 2

4.7 from 268 votes

There are a maximum of 51 Portal 2 achievements worth 961

6,819 tracked gamers have this game, 362 have completed it (5.31%)

Achievement Details

Ship Overboard in Portal 2

Ship Overboard19

Discover the missing experiment

  • Unlocked by 1,907 tracked gamers (28% - TSA Ratio = 1.88) 6,819  
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