The next entry in the Trials series, Trials Rising, was announced during Ubisoft's press conference this week, but what they didn't mention is that it would include a two player couch co-op mode called "Tandem Bike." As the name implies, you and your buddy will ride on the same bike and have to successfully navigate through the levels as a team. The catch is that all the functions (i.e., gas, brake, lean) are split between you...