The Oculus Rift by lonesome is never enough for some people. Above is a video of a woman trying out a crazy virtual reality installation that involves motion capture, guns, and a computer backpack.
The company is called Zero Latency, and they're running a crowdfunding campaign for a VR game experience (as in, not the kind of thing you can play at home) where you fight waves of zombies. Here's a video where you can see the player's view as well as what he's doing. Call of Duty it ain't:
While it definitely doesn't look like the most exciting game I've ever seen, some of the tech they built seems pretty nifty.
You can read more on their crowdfunding site here.