Portal achievements
280
(150)

Portal

4.5 from 417 votes

There are a maximum of 15 Portal achievements worth 280

9,195 tracked gamers have this game, 874 have completed it (9.51%)

Achievement Details

Basic Science in Portal

Basic Science31

Earn bronze medals on all Portal challenges.

  • Unlocked by 969 tracked gamers (11% - TSA Ratio = 3.08) 9,201  
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