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1 dez 2002 ano - 1/12/02 The Black Mesa Incident Occurs

Descrição:

During a routine experiment, Gordon Freeman accidentally opens up a portal to Xen, an interdimensional portal world.

Adicionado na linha do tempo:

Project Lambda Timeline

6 jan 2019

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Data:

1 dez 2002 ano

Agora

~ 22 years ago

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