Is Deltarune a sequel to Undertale?

No, Deltarune is not a direct sequel to Undertale. It has been described as a parallel universe to the previously released Undertale, featuring some common elements like characters and references. Therefore, it is more like an alternate reality than a sequel.

Having said that, here is a brief overview of both Undertale and Deltarune and why these games are considered similar.

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Deltarune has a parallel storyline to Undertale

Deltarune is a brand-new episodic role-playing title released on June 4, 2025. It was developed and published by Toby Fox, whose previous release, Undertale, with similar gameplay mechanics, was released back in 2015.

Deltarune gameplay (Image via Toby Fox)

Since the games look similar and the latter has references from Undertale, players might think it is a direct sequel. However, the two have been described as having parallel universes.

In the newer title, you get to play as the main character, Kris, alongside your friends Susie and Ralsei. You have been tasked with saving a mysterious world and making new friends along the way. The gameplay features similar fighting mechanics to Undertale and the same pixel-animated nature.

Although the latest title is a standalone experience, it is highly advisable to play Undertale first, as it helps you get used to the mechanics and understand the storyline easily.

Check out: How many DR chapters will there be?

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This covers everything you need to know about both titles from Toby Fox. Both games are extremely enjoyable and unique, making them worth the purchase. If you are a fan of this animated playstyle, these games are definitely worth your while.

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