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11 abr 2011 año - Valve releases "Portal 2"

Descripción:

Sequel to Valve's insanely popular puzzle platformer, "Portal" which was released in the Orange Box, Portal 2 was just as successful

Añadido al timeline:

Valve Corporation Timeline

ByConnor Callahan
22 oct 2019
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0
1716

fecha:

11 abr 2011 año
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~ 14 years ago
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