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

Black Mesa

1,077
50
4.42
Game action
Black Mesa
karmak_09

karmak_09

169
10
13 Jan 18
12h 47m
20%
karmak_09

Gray Matter Propulsion achievement in Black Mesa

Gray Matter Propulsion

Headshot 20 enemies with the .357 magnum.

Gray Matter Propulsion0
13 January 2018
Hide ads

Have you got any tips or tricks to unlock this achievement?
Add a guide to share them with the community.

Sign in and add a guide
Do you have a question about this achievement? Please post it in the Black Mesa Forum