1. Black Mesa Achievements
2. Unified Coupling Theorum achievement

Black Mesa

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4.41

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833 (8%)

20-25h

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Moyano

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09 Jan 17

27h 36m

Unified Coupling Theorum achievement in Black Mesa

Unified Coupling Theorum

Help the Barnacle and Headcrab find true love.

0

14 January 2017 - 1 guide

How to unlock the Unified Coupling Theorum achievement

• TigerXtrm64,842

  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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