One Week song: Successfully complete showtime mode. Ladies Night song: Successfully complete arcade mode under the beginner difficulty setting with at least a "Gold" rank on all songs. Smooth Criminal song: Successfully complete arcade mode under the intermediate difficulty setting with at least a "Gold" rank on all songs. Science Genius Girl song: Successfully complete arcade mode under the advanced difficulty setting with at least a "Gold" rank on all songs. Play as Bub: Complete a song in showtime mode with a "Platinum" rank. Play as Cherry: Complete a song in showtime mode with a "Platinum" rank. Play as Harmony: Successfully complete arcade mode under the intermediate difficulty setting with a "Platinum" rank on all songs. Play as Kat: Successfully complete arcade mode under the beginner difficulty setting with a "Platinum" rank on all songs. Play as Martin: Successfully complete arcade mode under the advanced difficulty setting with a "Platinum" rank on all songs. How You Remind Me video: Successfully complete showtime mode with at least a "Platinum" rank on all songs. Like A Virgin video: Successfully complete showtime mode with at least a "Gold" rank on all songs. One Week video: Successfully complete one song in each of the areas in showtime mode. Outtake video: Successfully complete all songs in showtime mode. Alternate costumes: Successfully complete any song in showtime mode with a "Gold" or "Platinum" rank to unlock alternate costumes for one of the default characters. Note: A "Platinum" rank will unlock two bonus costumes. Also, not all characters have alternate costumes.