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

Black Mesa

1,077
50
4.42
Game action
Black Mesa
order_s1xty_s1x

order_s1xty_s1x

49
4
04 Jul 17
10h 20m
8%
order_s1xty_s1x

Gray Matter Propulsion achievement in Black Mesa

Gray Matter Propulsion

Headshot 20 enemies with the .357 magnum.

Gray Matter Propulsion0
08 July 2017
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