The Giant King (2012)

One thousand years after an epic robot battle, sworn enemies Zork and Pinky wake up with no memory of who they are or how they wound up chained together. In search of answers, they begin wandering the barren wasteland, looking for RAM, the creator of all robots - making new friends, as well as a few enemies, along the way. But when they remember their past, will their newfound friendship prove to be stronger than an unbreakable chain?