Soundtrack release from "Eiketsu Taisen." Contains a total of 31 BGM tracks from Ver.1 "Sanzen Sekai no Hado" to Ver.2 "Rokkyoku no Koken." In addition, five songs newly arranged by sound staff member Yasuyuki Nagata are included as bonus tracks. It also comes with a serial code for in-game items (system requirements unknown). *The music used in "Battle BGM" such as Sangokushi Taisen (old and new), Sengoku Taisen, and other collaboration tracks, are not included in the product.