Portal 2 achievements
1,687
(1,000)

Portal 2

4.6 from 9474 votes

There are a maximum of 50 Portal 2 achievements worth 1,687 (1,000)

118,502 tracked gamers have this game, 12,024 have completed it (10.15%)

Achievement Details

White Out in Portal 2

White Out18 (15)

Complete the first Conversion Gel test

  • Unlocked by 81,735 tracked gamers (69% - TA Ratio = 1.20) 118,679  

Achievement Guide for White Out

AuthorSolution
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This is achieved once you have completed the challenge near the end of Chapter 7 in which you first encounter the Conversion Gel.

EDIT: Thanks to Offscauta for pointing out that the achievement can be missed if you don't complete the level in the correct way. Make sure you use the portals to jump up to the large grilled area down the stairs from the exit to finish the level.
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