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DELTARUNE cover art

Game · tobyfox

DELTARUNE

SteamEurope and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom.
  • Steam Deck Verified

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.

Before you buy

Redeem on
Steam clientPC: Windows, macOS. Needs a free Steam account.
Activates in
Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom.Activates on accounts registered in the EU, EEA, Switzerland and the United Kingdom.Will not activate on accounts registered in North America, Asia, Latin America or Oceania.
You get
A digital activation keyStandard edition. No disc, no box.
Delivery
To your account and by emailDelivered to your account and by email once it is ready. Some orders get a short manual check first.

Trailers and screenshots

01 / 10 Trailer

DELTARUNE

Trailer 1 of 2

About this 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]

Description, images and details are taken from this product's Steam page.

Details

Developer
tobyfox
Publisher
tobyfox
Released
4 Jun, 2025
Genres
Adventure, RPG, Indie
Runs on
Windows, macOS
Activates on
Steam client, Europe and UK
Interface
English, Japanese
Controller
Full controller support
  • Single-player
  • Full controller support
  • DualShock Controller Support
  • DualSense Controller Support
  • DualSense Controller Support
  • Steam Cloud
  • Family Sharing

System requirements

Windows

  • Requires a 64-bit processor and operating system
DELTARUNE system requirements on Windows
ComponentMinimumRecommended
OSWindows 10 or higherWindows 10 or higher
Memory2 GB RAM4 GB RAM
Graphics128 MB512MB
DirectXVersion 12
Storage1 GB available space1 GB available space
macOS
DELTARUNE system requirements on macOS
ComponentMinimumRecommended
OSMac OS X 10.11 or later
Memory2 GB RAM4 GB RAM
Storage1 GB available space1 GB available space

Activating it on Steam client

  1. Open the Steam client and sign in.
  2. Choose Games in the top menu, then Activate a Product on Steam.
  3. Paste the key and confirm. It appears in your library.

The key is listed for the Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom. region. Read how regions work before you buy.

DELTARUNE€25.67