Portal achievements
306
(150)

Portal

4.5 from 244 votes

There are a maximum of 15 Portal achievements worth 306

6,280 tracked gamers have this game, 454 have completed it (7.23%)

Achievement Details

Rocket Science in Portal

Rocket Science35

Earn silver medals on all Portal challenges.

  • Unlocked by 516 tracked gamers (8% - TSA Ratio = 3.48) 6,280  
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