Portal achievements
303
(150)

Portal

4.5 from 261 votes

There are a maximum of 15 Portal achievements worth 303

6,518 tracked gamers have this game, 484 have completed it (7.43%)

Achievement Details

Basic Science in Portal

Basic Science34

Earn bronze medals on all Portal challenges.

  • Unlocked by 559 tracked gamers (9% - TSA Ratio = 3.41) 6,518  
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