1. Black Mesa Achievements
2. Unified Coupling Theorum achievement

Black Mesa

1,077

50

4.42

10,366

818 (8%)

20-25h

Game action

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Mr Delval

432

25

06 May 17

19 Apr 18

19h 54m

Unified Coupling Theorum achievement in Black Mesa

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

0

23 October 2017 - 1 guide

How to unlock the Unified Coupling Theorum achievement

• TigerXtrm64,867

  Locked 07 Mar 2020 07 Mar 2020
  1 0 0

  Lure a live Headcrab into a Barnacle's tongue 10 times.

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