The Undertale soundtrack is composed by Undertale creator Toby Fox. Undertale is also the first game made by Fox, an indie developer, but Undertale’s soundtrack has been worked on by many musicians and assistants including James Roach, Clark Powell, Malcolm Brown, Michael Bross, Rich Vreeland (AKA Disasterpeace), Seirou Okamoto, and Toby himself. Undertale is available on PlayStation 4, PlayStation Vita, Microsoft Windows, Mac OS X, Linux, Nintendo Switch
The Undertale soundtrack consists of 74 songs spanning two discs. Disc 1 contains 21 tracks while disc 2 holds 53 songs in total. The Undertale OST is sold digitally for $10 USD on Undertale’s official website, and is available for purchase on iTunes, Bandcamp, Amazon.com , and Spotify.
The Undertale OST was released digitally to Undertale backers of the Undertale Kickstarter project on August 15th, 2015. An update containing the soundtrack was released a day later to backers who had digital versions of Undertale. Undertale was released to the public on September 15th, 2015.
The Undertale soundtrack has received positive critical reception, with many praising the quality of the music despite it being made by one man – Undertale creator Toby Fox himself. The Undertale soundtrack is often cited as being effective in setting the mood for Undertale’s various settings and Undertale’s different emotional states.