Yoshi and the Mysterious Book: How Development Shifted from Nintendo Switch to Nintendo Switch 2

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Yoshi and the Mysterious Book has launched on Nintendo Switch 2, but its origins trace back to the original Nintendo Switch.

In a feature in Japanese magazine Nintendo Dream, associate producer Nobuo Matsumiya, senior producer Etsunobu Ebisu, director Masahiro Yamamoto and producer Hisashi Nogami detailed the project’s early history and creative choices.

Translation of the Nintendo Dream excerpt was provided by SatsumaFS and Simon Griffin for Nintendo Everything.

According to the development team, Nintendo initiated contact with Good-Feel to collaborate on the next Yoshi title.

Matsumiya said Nintendo reached out because it felt like the right time for a new Yoshi game and the companies had successfully partnered on two prior entries.

Ebisu noted that early discussions involved Takashi Tezuka, who participated in initial planning before shifting his focus to Super Mario Bros.

Wonder; Hisashi Nogami ultimately took over production duties.

The team confirmed that development began targeting the original Nintendo Switch.

Ebisu explained that, after learning a new hardware iteration would be released, the team changed course mid-development to build the game for Nintendo Switch 2, opting to ship on the latest platform.

On design and the game’s systems, Nogami said the in-game Encyclopedia was not part of the project at the outset.

Early development emphasized the actions and repeated gameplay behaviors that define Yoshi.

Yamamoto described how earlier Good-Feel Yoshi titles—Yoshi’s Woolly World and Yoshi’s Crafted World—approached Yoshi’s moves through specific motifs like yarn or crafts.

For this project, the creative starting point was asking what Yoshi is as a character and how exploration should feel.

Matsumiya added that the team revisited core Yoshi principles—such as removing time limits to encourage exploration—spending considerable effort fine-tuning what a Yoshi game should emphasize.

Separately, Shigeru Miyamoto has said the new game’s existence was inspired in part by The Super Mario Galaxy Movie, a connection Miyamoto revealed this week.

The Nintendo Dream interview offers a clear look at the collaboration between Nintendo and Good-Feel, the mid-development platform shift to Nintendo Switch 2, and the personnel changes that shaped final production.

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