Successfully complete level 1 with Beyond The Grave to unlock Jyuji Kabane and Rocketbilly Redcadillac.Hidden options
Successfully complete the game with Beyond The Grave, Jyuji Kabane, and Rocketbillly Redcadillac to unlock the alternate costumes, sound test, stage select, movie viewer, and enemy rush options and bonuses. The hidden options in the "Customize" menu are: "Invincible", "Unlimited Demolition", "All Explode", "Camera Angle", "High Speed", "Different Characters", and "Secret Character". The hidden options in the "Extra" menu are: "Stage Select", "Boss Rush", "Enemy Rush", "Play Movie", "Play Conversations", and "Play Sound Effects".Kick Ass mode
Successfully complete the game on the hard difficulty setting to unlock the Kick Ass difficulty setting.All hidden options
Successfully complete the game on the Kick Ass difficulty setting to unlock all bonus options.