Videos Allied forces to combine in Trenches cooperative multiplayer By Tracy Erickson | Feb 23, 2010 iPhone | Trenches Twitter Facebook Reddit Tracy Erickson Manning our editorial outpost in America, Tracy comes with years of expertise at mashing a keyboard. When he's not out painting the town red, he jets across the home of the brave, covering press events under the Pocket Gamer banner. Next Up : Rob Riches - gameplay video