1. Black Mesa Achievements
2. Unified Coupling Theorum achievement

Black Mesa

1,077

50

4.42

10,476

829 (8%)

20-25h

Game action

• 2 want to boost

Unified Coupling Theorum achievement in Black Mesa

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

0

1 guide

How to unlock the Unified Coupling Theorum achievement

• TigerXtrm64,863

  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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