What A Shootout Using ‘Portal’ Guns Would Look Like (Video)

What A Shootout Using ‘Portal’ Guns Would Look Like (Video)

Valve's Portal is one of the all-time great puzzle games ever made---a first-person shooter in which you use a gun that fires in and out portals you'll need to work with in order to try to escape the facility you're being held in. But what if word of...

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