Portal achievements
280
(150)

Portal

4.5 from 396 votes

There are a maximum of 15 Portal achievements worth 280

8,914 tracked gamers have this game, 847 have completed it (9.50%)

Achievement Details

Friendly Fire in Portal

Friendly Fire11

Knock down a turret with another turret.

  • Unlocked by 6,770 tracked gamers (75% - TSA Ratio = 1.14) 8,979  
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