, the secret boss of Chapter 1, you must collect three broken key pieces and take them to at the Bake Sale to be fixed. Broken Key A
Deltarune is an episodic role-playing game developed by Toby Fox and published by Fox himself. It is a spiritual successor and thematic companion to the 2015 hit Undertale , sharing similar combat mechanics, humor, and emotional depth, but taking place in a separate universe with a different cast and narrative structure. As of 2026, the game has released two free chapters (Chapter 1 & 2), with Chapter 3 fully completed and Chapters 4 & 5 in active development (as of latest updates). The game is notable for subverting player expectations, questioning the nature of choice, and featuring a unique "bullet hell" turn-based combat system.
The mechanical differences between the Share public link
Deltarune is not just Undertale 2 . It is a deeper, darker, and more mechanically polished meditation on what it means to be a player in a digital world. It balances laugh-out-loud internet humor with existential dread, all while delivering an incredibly fun and tactile combat system. Deltarune
As of now, Toby Fox has announced that Deltarune will be a multi-part series, with a second chapter already in development. Fans eagerly await the next installment, speculating about the game's future storylines and character arcs.
You close your eyes. Someone else opens theirs.
Since its release in 2018, Deltarune has had a significant impact on the gaming community. The game's unique blend of storytelling, characters, and gameplay has inspired a devoted fan base, with players creating their own fan art, cosplay, and fiction. , the secret boss of Chapter 1, you
| | Details | |------------|--------------| | Developer | Toby Fox | | Publisher | Toby Fox | | Release Dates | Chapter 1: Oct 31, 2018; Chapter 2: Sept 17, 2021 | | Platforms | PC (Steam, itch.io), Nintendo Switch, PlayStation 4, PlayStation 5, Xbox One, Xbox Series X/S | | Genre | Role-Playing Game (RPG), Bullet Hell | | Model | Chapters 1 & 2 free; future chapters in paid bundle | | Engine | GameMaker Studio 2 |
Deltarune is described by Toby Fox as a "parallel story" to Undertale , set in a world you can play after you finish his first game. The adventure begins in Hometown, a quaint, sunny suburban community populated mostly by monsters living peaceful, mundane lives. You step into the shoes of , the town's only human resident.
However, be aware that . You will play through two fantastic chapters (roughly 6-8 hours of content) and then face a cliffhanger. If you want a complete, standalone experience, wait for the full release. But if you want to witness one of indie gaming’s most creative minds slowly unravel a mystery about fate, control, and darkness—jump into the closet now. As of 2026, the game has released two
Deltarune is not a direct sequel, but rather a "parallel story" that takes place in a different world—a world where monsters were never driven underground by humans. It is an episodic, top-down role-playing game available on PC, Nintendo Switch, PlayStation 4/5, and other platforms.
Deltarune preserves Undertale 's core identity—allowing players to navigate encounters through violent confrontation or peaceful negotiations (using the system). However, it expands the gameplay into a full-scale party system reminiscent of classic JRPGs:
The game follows an episodic release structure. While Chapters 1 and 2 were released for free to establish the world, subsequent chapters are planned as a paid package.
acts as the magical backbone, providing healing and pacification spells.