Kingdom Hearts Original Soundtrack Complete is a video game compilation album that contains music from all the games in the Kingdom Hearts series prior to the release of Kingdom Hearts 358/2 Days, Kingdom Hearts Birth by Sleep, and Kingdom Hearts coded. It is a total of nine discs and 229 tracks including previously unreleased tracks.
It was released in Japan on March 28, 2007 by Toshiba-EMI. It has yet to be released in North America and Europe. It was recorded at the Tokyo Opera City Concert Hall.
The package and a deluxe booklet was designed by the series' director and character designer, Tetsuya Nomura with new illustrations and comments from Yoko Shimomura. It also came with a special CD carrying case that features Sora and Roxas.
- Discs one and two: Kingdom Hearts Original Soundtrack
- Discs three through six: an extended version of the Kingdom Hearts II Original Soundtrack
- Discs seven and eight: the complete Kingdom Hearts Re:Chain of Memories soundtrack
- Disc nine: contains music from both Kingdom Hearts Final Mix - Additional Tracks and Kingdom Hearts II Final Mix