Portal achievements
298
(150)

Portal

4.5 from 287 votes

There are a maximum of 15 Portal achievements worth 298

7,022 tracked gamers have this game, 540 have completed it (7.69%)

Achievement Details

Rocket Science in Portal

Rocket Science34

Earn silver medals on all Portal challenges.

  • Unlocked by 606 tracked gamers (9% - TSA Ratio = 3.39) 7,022  
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