Toby Fox, creator of Undertale and Deltarune, defines his creation method as "stupid, not in a totally negative sense"
Whatever that means, only Toby Fox understands it, but he explains it to us

- October 2, 2025
- Updated: October 2, 2025 at 8:58 AM

Toby Fox, creator of the acclaimed games Undertale and Deltarune, has self-identified as inefficient in his video game development methodology. This approach has led to the chapters of Deltarune being released sporadically, with chapter 1 in 2018 and chapter 2 in 2021, while chapters 3 and 4 are scheduled for 2025 and chapter 5 is not expected before the first half of 2026.
Stupid, but in a good way
In a recent interview with Game Informer, Fox joked about his development style, describing it as “stupid,” although he also acknowledged that it is precisely this consistent workload that has given a unique charm to his games, managing to attract a vast fan base. “I don’t think [my creation method] is stupid, at least not in a totally negative sense. Clearly, many people are happy with the result,” he stated.
Unlike other RPGs where enemies tend to have similar attack patterns, Deltarune offers unique encounters, each with innovative mechanics and puzzles. Fox emphasized that their approach is not simply based on modifying statistics, but on providing completely new and original experiences in each combat and area of the game. “Everything in the game is simply a container for a never-before-seen mechanic,” he explained.
Regarding the wait for future chapters, Fox indicated that the decision of whether it has been worth it will depend on the players. However, he made it clear that there are no longer external factors influencing the release date of chapter 5, which means that the team now has greater control over the development process: “We will release it when it’s ready”.
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