Portal 2 achievements
905
(510)

Portal 2

4.6 from 431 votes

There are a maximum of 51 Portal 2 achievements worth 905

9,965 tracked gamers have this game, 643 have completed it (6.45%)

Achievement Details

White Out in Portal 2

White Out12

Complete the first Conversion Gel test

  • Unlocked by 6,458 tracked gamers (64% - TSA Ratio = 1.24) 10,093  
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