The Call Up DVD   Altitude

When a group of elite online gamers receive a mysterious invitation to trial a state-of-the-art virtual reality video game, it's a dream come true and impossible to resist. Arriving at the test site, the group step into hi-tech gear and prepare for a revolutionary, next-level gaming environment that brings modern warfare to life with frightening realism. At first it's a unique and exhilarating experience. But what starts out like a dream encounter with cutting edge technology, quickly takes a turn for the sinister. When the group are attacked by enemy combatants, they soon realise this is no game after all. Make a mistake here and you pay with your life.