Half-Life 2: Episode One achievements
174
(130)

Half-Life 2: Episode One

4.3 from 120 votes

There are a maximum of 13 Half-Life 2: Episode One achievements worth 174

2,076 tracked gamers have this game, 677 have completed it (32.61%)

Achievement Details

Conservationist in Half-Life 2: Episode One

Conservationist16

Kill five enemies with the same energy ball.

  • Unlocked by 771 tracked gamers (37% - TSA Ratio = 1.63) 2,076  
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