Eternal Sonata Cheats :
Secret - New Game +
Complete the game once from your first play and save the data when prompted to. Load that file to begin a new game with all obtained Score Pieces, Party Levels, Piano Music and Hero's Crest. Plus, the enemies and bosses will be much stronger and tougher in battle and you can view the ending anytime after you load the game clear data and choose "View Ending". In addition to the PlayStation 3 version, any costumes you obtained for Polka, Allegretto and Beat will be carried over to the new game.