Portal 2 E3 Demo – Parts 4 and 5

30 Jun, 2010

This E3 demo for Portal 2 exhibits the Thermal Discouragement Beam!

This E3 demo for Portal 2 exhibits the Pneumatic Diversity Vent!

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Randy Yasenchak
Randy Yasenchak

is the editor-in-chief of Elder-Geek.com. You can follow him on twitter @randyyasenchak.

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