The specs get in the way (Image: Paul Sakuma/AP/Press Association Images)
GUN at the ready, you are picking your way through an alien world, tracking an adversary. Spotting your chance, you launch an attack. It takes your foe by surprise, and you’ve got him cold.
It’s the sort of scenario you’ll find in any first-person shooter game, but this one is different. For a start, the virtual world is displayed in stunning 3D. And then there’s the fact that the player whose on-screen character you have just dispatched is sitting right next to you. Though your opponent is looking at the same screen as you are, they see an entirely different view,…
