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DELTARUNE header art

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!

Developer
Publisher
Release
June 4, 2025
1 year and 104 days ago
Steam Reviews
Overwhelmingly Positive135,551 reviews98.1%
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Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
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.
Updated: Aug 20, 2026FundingThe known source of funding behind the game.
As stated by Toby, funds used for UNDERTALE would be used for "expanding its world". DELTARUNE seems to be part of the world and seems to use those funds.
Updated: Aug 20, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 10, 2026Release statusWhether and how the game has been released.

Media

11 items

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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