Karaoke Revolution: Volume 3
Successfully complete Showtime mode to unlock China Grove and In The Midnight Hour. Get a "Platinum" rank in at least one song in each venue to unlock Snake Eater (from Metal Gear Solid 3). Get a "Gold" rank or greater in at least one song in each venue to unlock Waiting For You (from the Silent Hill 4 soundtrack).
Get a "Platinum" rank on a song to unlock the Music Video venue in Karaoke, Medley, and Quickplay modes.
You can trick the game by humming, rather than singing, at the correct pitch.
Successfully complete at least one song with a "Platinum" rank in each venue in Showtime mode to unlock the "Cheat Collection 1" option. Then, select the "Cheats" option at the "Extras Menu", select "Cheat Collection 1", then enter one of the following codes to unlock the corresponding cheat option. If you entered the code correctly, you will hear a sound.
- Big eyed character: Press Circle(2), Square(2), Down, Left, Left, Down.
- Banana microphone: Press Down, Up, Left, Right, Square, Circle, Square, Circle.
- Dwanye doll microphone: Press Square(2), R3, Circle, Up, Down, Right, Left.
- Toothbrush microphone: Press L2(2), Square, Circle, Down, Up, Left, L3.
- Banana microphone: Press Down, Up, Left, Right, Square, Circle, Square, Circle.
Successfully complete all songs without a "Gold" or "Platinum" rank in each venue in Showtime mode to unlock the "Cheat Collection 2" option. Then, select the "Cheats" option at the "Extras Menu", select "Cheat Collection 2", then enter one of the following codes to unlock the corresponding cheat option. If you entered the code correctly, you will hear a sound.
- Big head character: Press Circle, Square, Circle, Square, Up, Right, Down, Left.
- Mercury character: Press Down, Down, Right, Left, Right, Left, Square, Circle.
- Wraith character: Press L2(2), Right(2), Circle, Square, R1, R1.
- Fish microphone: Press Square, Down, Up, Left, Square(2), L2, L1.
- Mercury character: Press Down, Down, Right, Left, Right, Left, Square, Circle.
Successfully complete all songs with a "Gold" rank in each venue in Showtime mode to unlock the "Cheat Collection 3" option. Then, select the "Cheats" option at the "Extras Menu", select "Cheat Collection 3", then enter one of the following codes to unlock the corresponding cheat option. If you entered the code correctly, you will hear a sound.
- Glass character: Press Down, L2, R1, R2, L1, Circle, Square, Circle.
- Oil slick character: Press L3(2), R2, R1, L2, L1, Down, Up.
- Small head character: Press Circle, R2, L2, R1, L1, Down(2), Up.
- Ice cream microphone: Press Square, Circle, Square, Circle, R2, L2, R1, L1.
- Oil slick character: Press L3(2), R2, R1, L2, L1, Down, Up.
Successfully complete all songs with a "Platinum" rank in each venue in Showtime mode to unlock the "Cheat Collection 4" option. Then, select the "Cheats" option at the "Extras Menu", select "Cheat Collection 4", then enter one of the following codes to unlock the corresponding cheat option. If you entered the code correctly, you will hear a sound.
- Alien Crowd: Press Up(2), Down, Circle(2), L2, R2, Square.
- Pirate Crowd: Press Down, L2(2), R2(2), Square, Circle, Square.
- Robot Crowd: Press L3, Down(2), R1, Circle, Square, Circle, Square.
- Zombie Crowd: Press Square(2), Circle(2), Up, Right(2), Up.
- Tough Audio Crowd: Press Circle, L1, L2, R1, R2, Right, Right, Down.
- Pirate Crowd: Press Down, L2(2), R2(2), Square, Circle, Square.