Portal achievements
288
(150)

Portal

4.5 from 309 votes

There are a maximum of 15 Portal achievements worth 288

7,522 tracked gamers have this game, 642 have completed it (8.53%)

Achievement Details

Rocket Science in Portal

Rocket Science33

Earn silver medals on all Portal challenges.

  • Unlocked by 704 tracked gamers (9% - TSA Ratio = 3.25) 7,522  
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