Music for the game is composed by Yuu Miyake, Taku Inoue, AJURIKA, Shogo Nomura, mifumei, Asuka Sakai, Yoshihito Yano, Mei Osawa, and Mitsuhiro Kitadani, with Monaca studio composers Shotaro Seo, Keiichi Hirokawa, Kakeru Ishihama, Oliver Good, and Satoru Kōsaki. Opening theme "Katamari Time!" is composed and arranged by Yuu Miyake, and performed by chelmico.
"Suisei Biyori" by Nomura is performed by suis from Yorushika. “Kokon-Tozai Katamari-Doucyu" by Seo is performed by Sakuna: Of Rice and Ruin featured vocalist Saya Asakura. "Prince of Weakness" by AJURIKA is performed by Kenji Niinuma. All three music videos are streaming on the Bandai Namco YouTube channel.
Once Upon A Katamari is available for Nintendo Switch, PlayStation 5, Xbox Series X|S, and Windows through Steam. Bandai Namco Game Music will publish Once Upon A Katamari Original Soundtrack on December 17th, shipping on three compact discs.
From the Steam product page:
Once upon a time a katamari rolled through both past and present. In this story across time, the adage endures: Let The Good Times Roll! Now onward through new worlds to roll up thy heart's desires and to restore the stars! • A Shiny New Katamari Damacy Adventure Awaits Experience new stages and a fabulous new soundtrack! Behold a fresh rolling experience, with never-before-seen support tools like the magnet to draw in nearby objects.CDJapan - Once Upon A KATAMARI Original Soundtrack - Katamari no Manimani
YouTube Music - Once Upon A Katamari Original Soundtrack
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— Bandai Namco Game Music (@BNE_BNGM) November 13, 2025
Once Upon A KATAMARI
Original Soundtrack
-KATAMARI no MANI MANI-
Now streaming! 🎧👑
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* Available from 12:00 AM local time
🎵 Listen here:https://t.co/mDgYnI7ZKi
#KATAMARI #BNGM #BandaiNamcoGameMusic https://t.co/Sm3VF3NL2p pic.twitter.com/8mBCqvU033


