Professor Layton and the New World of Steam gets December 2026 release date

Professor Layton and the New World of Steam finally has a release date: December 10, 2026. Nintendo announced the date during its September 9 Nintendo Direct, ending a long wait for the puzzle series' return after what Kotaku described as a significant delay.

The game marks the first new Professor Layton title in nearly a decade, and the first to star the professor himself in 13 years. The distinction matters because the series continued in the interim through Katrielle and the Millionaires' Conspiracy, which centered on Layton's daughter rather than the professor, which is why the exact gap depends on how one counts the spin-off.

The announcement came as part of a broader September Nintendo Direct that also showed a new open-world Kirby adventure, a Zelda: Ocarina of Time remake, a new Yo-Kai Watch game, and a Metroid Ravenous trailer, according to the same outlet's coverage of the event.

Kotaku's report is brief and marked as developing, so details beyond the date are scarce. The article does not specify which platforms the game will launch on, what the story involves, or what caused the delay that pushed the release to late 2026. The game was originally announced years earlier, and its absence from recent Nintendo showcases had fueled speculation about its status.

For fans, the December date at least resolves the question of whether the project was still in active development. The professor's return after more than a decade as the lead character gives the release particular weight within the series, which built its reputation on puzzle-solving gameplay wrapped in a mystery narrative.

What remains unknown includes the game's full feature set, any additional platforms beyond what Nintendo typically supports, and whether the December 10 date will hold given the delays that preceded it. Nintendo has not yet detailed the game beyond the release window announcement.