This is the first Karaoke Revolution video game series to feature 5 Spanish-language songs in the song list line-ups.
This is the first Karaoke Revolution video game series to feature all master recordings of all 50 songs. All the previous Karaoke Revolution series were mostly cover versions.
5 of Michael Jackson's songs, including 4 when he was with The Jackson 5, were included in the song list line-ups to pay tribute to the late Michael Jackson who passed away in 2009.
This is the first Karaoke Revolution (2003) video game series ever where the players can alter the aging, ethnicity, body parts of almost all types for character customizations and the first ever where the players can customize their own venue from scratch.