Portal achievements
299
(150)

Portal

4.5 from 279 votes

There are a maximum of 15 Portal achievements worth 299

6,854 tracked gamers have this game, 526 have completed it (7.67%)

Achievement Details

Basic Science in Portal

Basic Science34

Earn bronze medals on all Portal challenges.

  • Unlocked by 603 tracked gamers (9% - TSA Ratio = 3.37) 6,854  
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