The Adorable Yoshi And The Mysterious Book Gets A May Release Date

It's Mario Day, but instead of announcing any new Mario content, Nintendo set a May 21 release date for Yoshi and the Mysterious Book.

A video debuting on the Nintendo Today smartphone app showed what players will do in the company's next first-party Switch 2-exclusive title. The video, titled "Creature Discovery," has Yoshi jump into the eponymous "mysterious book" to find a bubble-blowing creature.

Disturbingly (but very much in character), Yoshi attempts to eat the round-headed critter, finding it to taste soapy and bitter. As the video demonstrates, Yoshi can ride inside its bubbles and carry the creature on its back to create more bubbles. The creatures can also change and add to their abilities by eating fruit, opening up several platforming possibilities.


After conducting "research" on creatures, players can actually come up with their own names for them and record them in the book. Otherwise, Mr. E, the sentient book, can suggest one of his own--maybe for the best, as it's hard not to imagine what cursed and chaotic names people will conjure up. Finding more traits of these creatures will earn players stars, and earning more of them will open up new pages of the book to discover new creatures in different areas.

At first glance, Yoshi and the Mysterious Book looks like a lighter version of the research-heavy Pokemon Legends: Z-A. It has a charming art style not unlike Yoshi's Story for Nintendo 64, and the characters in the book have an almost stop-motion quality to their animations. The video ends with a tease featuring recurring series villain Baby Bowser (or is it actually Bowser Jr. this time?), though he didn't appear antagonistic in this brief appearance.

Yoshi and the Mysterious Book is one of several Switch 2 exclusives slated for 2026. The platform just got the cozy life sim Pokemon Pokopia, and Fire Emblem: Fortune's Weave is coming out this year on a yet-to-be-announced date. In other Yoshi-related news, Donald Glover is voicing the green dinosaur in The Super Mario Galaxy Movie, somehow.

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