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

Black Mesa

1,077
50
4.42
Game action
Black Mesa
Bonk

Bonk

62
5
3.5
22 Feb 17
6h 40m
10%
Bonk

Gray Matter Propulsion achievement in Black Mesa

Gray Matter Propulsion

Headshot 20 enemies with the .357 magnum.

Gray Matter Propulsion0
21 July 2017
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