Developed by tobyfox

11 games

Deltarune: Chapter 1

tobyfox, 8-4

The story follows a human named Kris who lives in a world inhabited by monsters. Kris and a classmate named Susie fall into an unknown place called the "Dark World" where they meet Ralsei, who informs them that they are heroes destined to save the world. The trio meets various beings who call themselves "Darkners" during a prophesied quest to seal the duplicate Dark Fountain. Mainly through the combat system, the player navigates through different kinds of bullet hell attacks by enemies, which can be resolved peacefully or through violence.

AdventureIndieRole-playing (RPG)Turn-based strategy (TBS)

Undertale: Collector's Edition

tobyfox, Fangamer

A small child falls into the Underground, where monsters have long been banished by humans and are hunting every human that they find. The player controls the child as they try to make it back to the Surface through hostile environments, all the while engaging with a turn-based combat system with puzzle-solving and bullet hell elements, as well as other unconventional game mechanics. The Collector's edition includes: - The complete Undertale soundtrack: Over 100 songs on 2 CDs - Undertale sheet music booklet featuring six songs with annotations by Toby Fox - A 14k gold-plated brass music box locket - A sturdy matchbox-style collector's box - A standard edition copy of Undertale

AdventureIndieRole-playing (RPG)Turn-based strategy (TBS)

Deltarune: Chapter 2

tobyfox, 8-4

Deltarune: Chapter 2 is the next installment of the sequel to beloved indie darling Undertale...in a different world! This time around, two more classmates join the protagonists in their adventure as they, too, discover a mysterious world hidden behind a door, called the "Cyber World". Players with no save data will be able to start right at Chapter 2. “As long as you generally remember what happened story-wise, you’ll be fine,” the developers said in an FAQ.

AdventureIndieRole-playing (RPG)Turn-based strategy (TBS)

Deltarune: Chapter 3

tobyfox, 8-4

A chapter for Deltarune. It released alongside chapter 4.

AdventureIndieRole-playing (RPG)Turn-based strategy (TBS)

Deltarune: Chapter 4

tobyfox, 8-4

A chapter for Deltarune. It released alongside chapter 3.

AdventureIndieRole-playing (RPG)Turn-based strategy (TBS)

Deltarune: Chapter 5

tobyfox, 8-4

The fifth chapter of Deltarune, released in June 2026.

AdventureIndieRole-playing (RPG)Turn-based strategy (TBS)

Undertale 10th Anniversary

tobyfox

Two fights that were featured in the UNDERTALE 10th Anniversary event, released after the event.

Arcade

Deltarune: Chapter 6

tobyfox, 8-4

An upcoming chapter for Deltarune.

Role-playing (RPG)

Deltarune: Chapter 7

tobyfox, 8-4

The seventh and final chapter of Deltarune.

AdventureIndieRole-playing (RPG)Turn-based strategy (TBS)

DELTARUNE

tobyfox

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!

AdventureIndieMusicPuzzleRPGRole-playing (RPG)Turn-based strategy (TBS)