Portal achievements
288
(150)

Portal

4.5 from 295 votes

There are a maximum of 15 Portal achievements worth 288

7,219 tracked gamers have this game, 604 have completed it (8.37%)

Achievement Details

Rocket Science in Portal

Rocket Science33

Earn silver medals on all Portal challenges.

  • Unlocked by 672 tracked gamers (9% - TSA Ratio = 3.27) 7,219  
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