Fumito Ueda, creator of Ico, Shadow of the Colossus, and the Last Guardian, showed off his new game at this weekend’s Summer Game Fest showcase. Gen Atlas sees you step into the shoes of a scavenger in a desert world littered with the carcasses of vast robots. It falls to you to piece one of these machines back together and… well, what your aim is exactly is unclear. However, as stark as the landscapes of the dead world, was that…