Project Piston isn't the only one: Valve is showing off a number of hardware prototypes behind closed doors at the…

Now playing
The Wii U can't survive a microwave. The PlayStation Vita can survive a four-foot drop. And I guess, technically,…
Project Piston isn't the only one: Valve is showing off a number of hardware prototypes behind closed doors at the…
The Wii U can't survive a microwave. The PlayStation Vita can survive a four-foot drop. And I guess, technically,…
Advertisement