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17 out 1978 ano - Cave Johnson receives the answer to a letter titled "Human Enrichment & Testing Initiative, Resource Acquisitions" (Portal ARG)

Descrição:

- October 17, 1978 > 1987
- Cave Johnson receives the answer to a confidential letter titled "Human Enrichment & Testing Initiative, Resource Acquisitions", describing the four types of Test Subjects and their behavior.

Adicionado na linha do tempo:

Half-Life and Portal Universe Timeline

ByThe Fancy Fedora
25 dez 2018
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8492

Data:

17 out 1978 ano
Agora
~ 47 years ago
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