Portal achievements
300
(150)

Portal

4.5 from 271 votes

There are a maximum of 15 Portal achievements worth 300

6,694 tracked gamers have this game, 508 have completed it (7.59%)

Achievement Details

Basic Science in Portal

Basic Science34

Earn bronze medals on all Portal challenges.

  • Unlocked by 584 tracked gamers (9% - TSA Ratio = 3.38) 6,694  
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