Portal 2: Final Transmission Achievement Guide

Geoff and Gus show you how to get the Final Transmission Achievement in Advanced Test Chamber #6 of Portal 2.

• 2011-04-21T18:04:56+00:00
• Duration: 01:15

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portal, final , transmission , achievement , guide , walkthrough , xbox , 360 , steam , valve, glados , aperture , science, hunter , tutorial , gaming , video game, playthrough