Karaoke Revolution Volume 3 cheats and cheat codes for Playstation 2

Unlock Cheat Collection 1 option in showtime mode:
Complete minimum one song and reach a platinum' ratings in each venue.
After go to "Extras" menu, choose the unlocked "Cheat Collection 1" options
and enter the following codes:
Big Eyed Character Press Circle, Circle, Square, Square, Down, Left, Left, Down.
Banana microphone: Press Down, Up, Left, Right, Square, Circle, Square, Circle.
Toothbrush microphone: Press L2, L2, Square, Circle, Down, Up, Left, L3.
Dwanye doll microphone: Press Square, Square, R3, Circle, Up, Down, Right, Left.

Unlock Cheat Collection 2 option in showtime mode:
Complete every song without a platinum or gold ratings in each venue.
After go to "Extras" menu, choose the unlocked "Cheat Collection 2" options
and enter the following codes:
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, L2, Right, Right, Circle, Square, R1, R1.
Fish microphone: Press Square, Down, Up, Left, Square, Square, L2, L1.

Unlock Cheat Collection 3 option in showtime mode:
Complete every song and reach a gold ratings in each venue.
After go to "Extras" menu, choose the unlocked "Cheat Collection 3" options
and enter the following codes:
Small head character: Press Circle, R2, L2, R1, L1, Down, Down, Up.
Glass character: Press Down, L2, R1, R2, L1, Circle, Square, Circle.
Oil slick character: Press L3, L3, R2, R1, L2, L1, Down, Up.
Ice cream microphone: Press Square, Circle, Square, Circle, R2, L2, R1, L1.

Unlock Cheat Collection 4 option in showtime mode:
Complete every song and reach a platinum ratings in each venue.
After go to "Extras" menu, choose the unlocked "Cheat Collection 4" options
and enter the following codes:
Tough Audio Crowd: Press Circle, L1, L2, R1, R2, Right, Right, Down.
Pirate Crowd: Press Down, L2, L2, R2, R2, Square, Circle, Square.
Robot Crowd: Press L3, Down, Down, R1, Circle, Square, Circle, Square.
Zombie Crowd: Press Square, Square, Circle, Circle, Up, Right, Right, Up.
Alien Crowd: Press Up, Up, Down, Circle, Circle, L2, R2, Square.

Music Video venue in Karaoke, Medley, and Quickplay modes
Get a Platinum ratings on a song

Bonus songs: China Grove and In The Midnight Hour
Finish Showtime mode

Unlock Snake Eater from MGS 3:
Get a Platinum ratings in minimum one song in each venue

Unlock Waiting For You song from the Silent Hill 4:
Get a Gold ratings or higher in minimum one song in each venue