If you have even a passing relationship with video games, you've probably picked up a gun controller. It's a gimmick, sure, but it's a great one. And thanks to the Oculus Rift and Trinity VR's Magnum, it's about to get even cooler.
Today's shooting gallery games take advantage of high-tech infrared sensors and cameras. Back in the days of the original Nintendo Entertainment System, things were much simpler.