Half-Life 2: Episode One achievements
169
(130)

Half-Life 2: Episode One

4.3 from 154 votes

There are a maximum of 13 Half-Life 2: Episode One achievements worth 169

2,575 tracked gamers have this game, 901 have completed it (34.99%)

Achievement Details

Conservationist in Half-Life 2: Episode One

Conservationist16

Kill five enemies with the same energy ball.

  • Unlocked by 1,034 tracked gamers (40% - TSA Ratio = 1.57) 2,578  
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