Toby Fox Says Deltarune Chapter 6 Is Advancing Fast, With Chapter 7 Work Possible in 2026

Q: Beyond engine updates, what made Chapter 6 so much easier to create than previous Deltarune chapters?

Beyond the engine-related improvements, Toby Fox has not publicly given a specific reason why Deltarune Chapter 6 has been easier to make than earlier chapters. What he has said is that Chapter 6 is progressing unusually smoothly: cutscenes and NPC interactions are advancing well, the chapter’s core overworld mechanics are already built, most normal enemies and their bullet patterns are nearly finished, and the team is now focusing on the final boss’s bullets. That suggests the chapter’s design and implementation may be coming together more cleanly than in past chapters, but Fox did not explicitly identify a non-technical cause. Reporting on the newsletter consistently notes that Fox “didn’t go into” why Chapter 6 is easier. That matters because Deltarune development has typically been described as labor-intensive, with each area, enemy, and battle requiring bespoke gimmicks and extensive work. Chapter 6 appears to be an exception, but the public explanation stops at the fact of faster progress, not the underlying creative or production reasons. So the most accurate answer is that, aside from engine updates such as GameMaker’s chapter-handling improvements, no concrete non-engine explanation has been disclosed.

Q: With development speeding up, could Deltarune’s final two chapters release together as a grand finale?

Yes—based on Toby Fox’s latest update, a combined release of Deltarune Chapters 6 and 7 is plausible, though it remains unconfirmed. The strongest evidence is the pace of development. Fox says Chapter 6 is “developing well,” has been “easier to make than others,” and is moving quickly enough that some staff could begin Chapter 7 before the end of 2026. Much of Chapter 6’s core work is already far along, including cutscenes, NPC interactions, overworld gimmicks, and most enemy bullet patterns, with work now narrowing toward the final boss. There is also precedent for bundling chapters. Chapters 3 and 4 launched together in 2025, showing Fox is willing to package multiple installments when it suits the project. Deltarune is planned as a seven-chapter story, so releasing the final two chapters together would make sense as a more unified ending. Technical and production factors also support that possibility. Fox’s team has grown, and GameMaker’s chapter-separation tools have reportedly made later development more efficient by reducing the need to retest earlier content. Most of the team had already shifted off Chapter 5 before its June 24, 2026 launch, suggesting a more continuous pipeline than in earlier years. Still, there is no official announcement that Chapters 6 and 7 will ship together. For now, the evidence points to a realistic possibility—not a confirmed plan.

3 articles · Updated · Nintendo Life · Jun 9

Chapter 6 is "developing well," Toby Fox said in a new newsletter, adding that the installment has been easier to make than earlier chapters.
Cutscenes and NPC interactions are making good progress, the chapter's core overworld gimmicks are built, and normal enemies and bullet patterns are mostly complete.
The team is still finishing a few rooms around those mechanics and working on the bullets for the chapter's final boss battle.
Development is moving quickly enough that some staff could begin work on Chapter 7 before the end of 2026, Fox said.
The update follows confirmation that Deltarune Chapter 5 will launch on Switch and Switch 2 on June 24, 2026.