Original URL: http://www.psxextreme.com/ps2-cheat-print/251.html
Karaoke Revolution

Unlockable Characters:

  • Kat - Complete arcade mode on the beginner setting with all Platinum Records. 

  • Harmony - Complete arcade mode on the intermediate setting with all Platinum Records. 

  • Martin - Complete arcade mode on the advanced setting with all Platinum Records. 

Unlockable Songs:

  • "Ladies' Night" - Complete arcade mode on the beginner setting with at least all Gold Records. 

  • "Science Genius Girl" - Complete arcade mode on the advanced setting with at least all Gold Records. 

  • "Smooth Criminal" - Complete arcade mode on the intermediate setting with at least all Gold Records. 

  • "One Week" - Complete Showtime mode.

Thanks to RamirezXsJ