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DELTARUNE

Dive into the parallel story to UNDERTALE! Fight or spare your way through action-packed battles as you explore a mysterious world alongside an endearing cast of new and familiar characters. Chapters 1-5 are available now, with more planned as free updates!

Steam Page
Developer
tobyfox
Publisher
tobyfox
Release
June 4, 2025
1 year and 58 days ago
Steam Reviews
Overwhelmingly Positive126,780 reviews98.1%

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Updated: Jul 10, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is DELTARUNE and tobyfox funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for DELTARUNE and tobyfox?Creative controlWho appears to retain creative control of the game.
Updated: Jul 10, 2026Release statusWhether and how the game has been released.

Media

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About the Game

The next adventure in the UNDERTALE series has appeared!

Fight (or spare) alongside new characters in UNDERTALE's parallel story, DELTARUNE...!

Featuring

  • A massive soundtrack and story written by Toby Fox!

  • Meet new and endearing main characters, as well as familiar faces like Toriel, Sans, as more. Huh? Papyrus? No, he's busy. Sorry

  • Smooth and expressive pixel-animation by Temmie. She also has a new hat (in-game)

  • A linear, chapter-based system that you can pick up from anywhere.

  • Creative bullet-dodging based battles inspired by games like Touhou and Chrono Trigger.

  • Jevilishly difficult hidden bosses.

  • And...

  • ...

  • ... only 1 ending...?

Try Chapter 1 and 2 for free now!

Further chapters... you must buy.

FAQ

  • Is Chapter 5 the last chapter?

Nope! The story is still continuing, and more Chapters will be added for free over time.

[/p][/*]

  • Then when's Chapter 6?

We are aiming for a 2027 release! Meanwhile, we will be periodically releasing information on the development progress of the game.

[/p][/*]

  • Can you pet dogs in the first 2 chapters?

(crying) This FAQ is over!

[/dog]

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