Are there any cheats to unlock stages for multiplayer use? A few friends and i were playing this game up until we beat all 3 stages that we start off with. And then we hit a brick wall, none of us want to play the game in story mode alone to unlock stages since we'd rather play/beat the game together. Are there any cheats to bypass this? And are we the only ones that think this is a huge flaw to the multiplayer aspect of PS0?