Portal achievements
288
(150)

Portal

4.5 from 323 votes

There are a maximum of 15 Portal achievements worth 288

7,689 tracked gamers have this game, 665 have completed it (8.65%)

Achievement Details

Friendly Fire in Portal

Friendly Fire12

Knock down a turret with another turret.

  • Unlocked by 5,719 tracked gamers (74% - TSA Ratio = 1.15) 7,689  
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