Vs. Susie

The music of Deltarune comprises multiple soundtrack albums created and scored by Toby Fox, featuring guest appearances by Laura Shigihara, Lena Raine, Marcy Nabors, Itoki Hana, Alex Rosetti, Camellia, insaneintherainmusic, Rakuichi and Trevor Alan Gomes. The soundtrack album for Chapter 1 was released on Bandcamp on November 1, 2018, a day after the game was launched. The soundtrack albums for Chapters 2 through 5 released on the same day as their corresponding chapters of the game, from 2021 to 2026. In collaboration with Fangamer, Fox released the first chapter's soundtrack on vinyl in July 2019, with a vinyl for the Chapter 2 soundtrack following in November 2022, and a vinyl for the Chapters 3+4 soundtrack in May 2026.