On the screen I can see them closing in on me. In my headphones I can hear them breathing hard as they call out the coordinates and confirm they've got me in their "sights." Next thing I know the screen flashes a message telling me I've been found and a digital image of a virtual me has been taken as proof. GAME OVER. Can You See Me Now? is the latest interactive performance offering from Blast Theory. Players from all over the world (Cardiff included) can become players in the game of virtual hide and seek. Players become characters in a virtual cityscape (a 300 square meter area around the National Museum of Wales) and try to elude three real Blast Theory performers. The performers track the virtual players using handheld computers that show the positions of the other players in the game while giving a running commentary on their quest through an audio stream. A bit like Running Man, but without the Hollywood bloodshed you'll be glad to hear, Can You See Me Now taps into our addiction to mobile communication to create a tense, exhilarating experience where virtual becomes very real. "It's part of Blast Theory's ongoing experimentation with mobile gaming," says project manager, Caitlin Newton-Broad. Become part of the game at the Museum, at Chapter and at g39 or on www.blasttheory.co.uk on Friday from 2pm - 4pm, Saturday from 11am - 1pm and again at 5pm - 7pm, and Sunday from 11am - 1pm and again at 2pm - 4pm.