Karaoke Revolution
Successfully complete showtime mode.
Successfully complete arcade mode on the beginner difficulty setting with at least a "Gold" rank on all songs.
Successfully complete arcade mode on the intermediate difficulty setting with at least a "Gold" rank on all songs.
Successfully complete arcade mode on the advanced difficulty setting with at least a "Gold" rank on all songs.
Successfully complete a song in showtime mode with a "Platinum" rank.
Successfully complete a song in showtime mode with a "Platinum" rank.
Successfully complete arcade mode on the intermediate difficulty setting with a "Platinum" rank on all songs.
Successfully complete arcade mode on the beginner difficulty setting with a "Platinum" rank on all songs.
Successfully complete arcade mode on the advanced difficulty setting with a "Platinum" rank on all songs.
Successfully complete showtime mode with at least a "Platinum" rank on all songs.
Successfully complete showtime mode with at least a "Gold" rank on all songs.
Successfully complete one song in each of the areas in showtime mode.
Successfully complete all songs in showtime mode.
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.
You can trick the game by humming, rather than singing, at the correct pitch.