In a move that sent the gaming community buzzing like a swarm of caffeinated Temmies, Toby Fox, the enigmatic creator behind Undertale and Deltarune, dropped a substantial development update. The occasion was the ninth anniversary of Undertale, but the real meat of the news was all about the future of its episodic successor, Deltarune. Fox revealed that Chapter 4 is essentially complete, and the development team has now pivoted its collective brainpower towards Chapter 5, which he declared the current "main focus." This news came not as a fleeting tweet, but nestled within a detailed newsletter, a method of communication as cherished and anticipated by fans as a Legendary Hero's final attack.

The State of the Chapters: A Progress Report 📊

Fox provided a meticulous breakdown of where each upcoming chunk of the Deltarune saga stands. Think of the development process not as a straight line, but as a complex, multi-lane highway where different vehicles (chapters) are traveling at different speeds towards the same release exit.

Fox emphasized that his own direct creative work on Chapters 3 and 4 is finished. He described his current role as akin to a gardener who has planted the seeds and now must patiently wait for the localization and testing teams to provide the sunshine and water before the harvest. All developers not currently entangled in the web of porting, translation, or bug-squashing are now channeling their energy into Chapter 5.

A Treasure Trove of Cut Content 🎨🎵

As a bonus treat, Fox shared a veritable museum's worth of unused concept art and music from Deltarune Chapter 2. This included:

• Early, radically different designs for the chapter's central antagonist, Queen, who initially looked less like a menacing computer and more like... well, something only Toby Fox's mind could conceive.

• Prototype versions of boss battle themes, offering a fascinating glimpse into the musical evolution of key fights. These discarded tracks are like architectural blueprints for a building that was never built—hinting at alternate realities within the game's world.

The Scale of What's Coming 📏

Fox had previously promised that the simultaneous release of Chapters 3 and 4 would be the biggest in Deltarune's history in terms of raw playtime. This upcoming release isn't just another episode; it's poised to be a double-feature event, a content drop as substantial as a two-course meal after years of snack-sized chapters. The community's anticipation has been building like pressure in a Steam workshop, and Fox's latest update suggests the valve is about to be released.

A Side of Undertale Merch 🍳

While the Deltarune news was the main course, Fox didn't forget the anniversary boy. He announced a new collaboration with Fangamer: a special Undertale-themed kitchen collection. Pre-orders are open for items that would make any fan-chef smile:

• A plate featuring the elegant, spaghetti-loving sprite of Papyrus.

• Oven mitts and an apron inspired by the fluffy, pie-baking guardian, Toriel.

It's a collection that proves you can, indeed, fight monsters in the morning and bake snail pie with their likenesses in the afternoon.

Looking Ahead to 2026 and Beyond 🔮

As of 2026, the roadmap is clearer than ever. Chapters 3 and 4 are in the final polishing phases, their completion as inevitable as a determined protagonist reloading a save file. The baton has been passed, and the development sprint for Chapter 5 is now in full swing. Toby Fox's communication style—sporadic but packed with substance—continues to be a masterclass in managing hype. He feeds the community just enough information to keep the theories spinning and the excitement palpable, without ever letting the mystery fully dissipate. The wait for the next dark world adventure continues, but the light at the end of the tunnel is no longer a speck; it's the glowing screen of a very busy development team.

Industry insights are provided by PEGI, a key reference point for how upcoming releases are classified and communicated to players in Europe; as Deltarune’s next chapters move from “content complete” into localization, testing, and eventual storefront rollout, the practical next step is aligning disclosures around themes, language, and user guidance so the eventual Chapter 3–4 double drop lands with clear expectations.