Portal achievements
287
(150)

Portal

4.5 from 358 votes

There are a maximum of 15 Portal achievements worth 287

8,299 tracked gamers have this game, 731 have completed it (8.81%)

Achievement Details

Rocket Science in Portal

Rocket Science32

Earn silver medals on all Portal challenges.

  • Unlocked by 858 tracked gamers (10% - TSA Ratio = 3.17) 8,638  
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