Nintendo releases Yoshi and the Mysterious Book May 21

Nintendo released Yoshi and the Mysterious Book for Nintendo Switch 2 on May 21, adding a first-party platformer to the console’s early software lineup. Nintendo Everything reported the launch on Thursday and published Nintendo’s launch trailer the same day. Nintendo’s regional game pages list the title as out now, with a May 21, 2026 release date for Switch 2. (nintendoeverything.com) Nintendo’s U.S. store describes the game as a Switch 2 exclusive priced at $59.99. (nintendo.com) The company says players control Yoshi and help a talking book named Mr. E remember the creatures living inside its pages. Nintendo’s recent promotional materials framed the game as a discovery-driven platformer built around creature interactions and exploration across different habitats. (nintendoeverything.com) ### What exactly did Nintendo release on May 21? Yoshi and the Mysterious Book is a new Yoshi game developed for Nintendo Switch 2 and released on May 21, 2026, according to Nintendo’s official store pages and regional game listings. Nintendo Everything said the game arrived alongside a launch trailer distributed by Nintendo on release day. (nintendoeverything.com) Nintendo first announced the May 21 date in March. Coverage from Gematsu and Nintendo Everything at the time said Nintendo set the release date and used a new trailer to show more of the game ahead of launch. ### Who is Mr. E, and how does the game work? Nintendo says Mr. (nintendo.com) E is a talking encyclopaedia-like book that falls onto the island where Yoshi and his friends live. The company’s description says Mr. E cannot remember the creatures contained in his pages, and Yoshi enters the book to investigate and restore that knowledge. Nintendo’s store page says players explore “colorful habitats” and experiment with creatures to learn what each one can do. (nintendo.com) Promotional copy and trailers say some creatures trigger environmental changes, including making flowers bloom or blowing bubbles, which in turn open new routes and discoveries. (gematsu.com) ### How is Nintendo positioning the game in the Switch 2 lineup? Nintendo labels the title a Switch 2 exclusive on its U.S. store page. That places the game among Nintendo-published software intended specifically for the new hardware as the company builds out the system’s first-year catalog. Nintendo Everything’s May 21 post described the release as the arrival of a new Switch 2 platformer. (nintendo.com) Separate Nintendo Everything coverage this week said Unrailed 2: Back on Track is scheduled for June 11, 2026 on both Switch 2 and the original Switch, giving Nintendo’s platform calendar another near-term release point. (nintendo.com) ### What do Nintendo’s own materials say before and after launch? Nintendo of America posted an “An Appetite for Discovery” trailer before release and said pre-orders were available ahead of May 21. Nintendo’s U.S. news post from April also directed users to the game’s store page and repeated that it was exclusive to Switch 2. (nintendo.com) Nintendo’s UK and Australia pages now list the game as available, using “out now” language and the same May 21 release date. Those pages describe the game as a “page-turning adventure,” matching the company’s broader marketing around a book-centered setting and exploration theme. ### What comes next for Nintendo’s release calendar? (nintendoeverything.com) June 11, 2026 is the next concrete date cited in related Switch coverage from Nintendo Everything, which said Unrailed 2: Back on Track will launch on Switch 2 and Switch that day. For Yoshi and the Mysterious Book, Nintendo’s official store pages and regional game listings are the current source for purchase details, platform status and trailer links. (youtube.com) (nintendoeverything.com) (nintendo.com)