Karaoke Revolution cheats and cheat codes for Playstation 2

Go to the title screen and enter the following cheats:
Note: Entering these codes disables saving. 

Unlock different clothes
Press Square, Circle, Circle, Square, Up, Down, Left, Right, R3, L3.

Unlock videos
Press Square, Square, Circle, Circle, Up, Left, Right, Up, L3, R3.

Unlock songs
Press Circle, Square, Circle, Square, Up, Down, Left, Right, L3, L3. 

Unlock all venues
Press Circle, Square, Circle, Circle, Up, Down, Left, Down, R3, R3.

Unlock all playable characters
Press L3, L3, R3, L3, Up, Left, Up, Right, Square, Square.


During the game play enter the following cheats:

Banana mic
Press R3, R3, L3, L3, Down, Down, Right, Left, Circle, Up.

Toothbrush mic
Press R3, R3, L3, L3, Down, Down, Circle, Square, Circle, Square.

Big eyes
Press Up, Up, Down, Down, Left, Right, Left, Right, Circle, Square.

Giant head
Press Up, Down, Up, Down, Right, Right, Left, Left, Circle, Square.

Dwarf head
Press Down, Down, Up, Up, Left, Right, Down, Up, Circle, Square.

Transparent player
Press Right, Left, Right, Left, Up, Up, Down, Down, Circle, Square.

Shiny player
Press Left, Right, Left, Right, Down, Down, Up, Up, Circle, Square.

Chromatic player
Press L3, R3, Right, L3, Up, Up, Left, Up, Square, Circle.

Dark player
Press R3, L3, L3, R3, Square, Circle, Right, Right, L3, L3.

Switch character gender animation
Press L3, R3, L3, R3, Down, Down, Up, Up, Down, Square.

Tough crowd audio
Press R3, R3, R3, R3, Up, Left, Right, Down, Circle, Circle.


Unlockable music videos:
Outtake music video
Finish all songs in showtime mode.

How You Remind Me music video
Finish showtime mode reach minimum a "Platinum" rating on all songs.

One Week music video
Finish one song in each of the areas in showtime mode.

Like A Virgin music video
Finish showtime mode reach minimum a "Gold" rating on all songs.

Different clothes:
Finish any song in showtime mode and reach a "Gold" or "Platinum" rating


Unlockable characters:
Unlock Bub as playable character:
Finish a song in showtime mode and reach a "Platinum" rank.

Unlock Cherry as playable character:
Finish a song in showtime mode and reach a "Platinum" rank.

Unlock Harmony as playable character:
Finish arcade mode in intermediate mode and reach a "Platinum" rating on 
all songs.

Unlock Kat as playable character:
Finish arcade mode in beginner mode and reach a "Platinum" rating on all songs.

Unlock Martin as playable character:
Finish arcade mode in advanced mode and reach a "Platinum" rating on all songs.


Unlockable songs:
One Week song
Finish showtime mode.

Smooth Criminal song
Finish arcade mode in intermediate mode reach minimum a "Gold" rating on 
all songs.

Ladies Night song
Finish arcade mode in beginner mode reach minimum a "Gold" rating on all songs.

Science Genius Girl song
Finish arcade mode in advanced mode reach minimum a "Gold" rating on all songs.