1. Black Mesa Achievements
  2. Gray Matter Propulsion achievement
Black Mesa

Black Mesa

1,077
50
4.42
Game action
Black Mesa
aps42

aps42

1,077
50
4
26 Dec 17
22 Jan 23
32h 37m
100%
aps42

Gray Matter Propulsion achievement in Black Mesa

Gray Matter Propulsion

Headshot 20 enemies with the .357 magnum.

Gray Matter Propulsion0
10 January 2018
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