Nintendo has always used the Yoshi series to try out playful and creative ideas. Since Yoshi’s Island brought its colourful crayon art style and egg-throwing gameplay in the 1990s, the series has stood out from other platformers. Later games kept this tradition going with bold visuals, like the cardboard look of Yoshi’s Crafted World and the wool textures in Yoshi’s Woolly World. These games rely on charm, exploration, and creative mechanics that get players to interact with the world in new ways.

With Yoshi and the Mysterious Book, Nintendo pushes this approach further. Instead of a typical platformer with linear levels, this game centres on discovery. The adventure takes place in a magical encyclopedia full of strange creatures and surprises. Instead of just advancing, players are urged to experiment with the creatures and see how their actions change the world. This focus could make it one of the most unique Yoshi games yet.

The Mystery of Mr E

The story begins on the peaceful island where Yoshi and his friends live. Life on the island appears calm and ordinary until one day something very strange happens. Out of nowhere, a talking book suddenly falls from the sky. The book introduces itself as Mr E, a mysterious encyclopaedia filled with pages describing unusual creatures. However, despite containing all this information, Mr E has a serious problem: he cannot actually see the creatures described in his own pages.

Since the creatures are inside the book and the book can’t see them, someone else has to investigate. That job goes to Yoshi. Wanting to help, Yoshi jumps into the book’s pages and starts exploring the strange world inside. Each page is like a small world with unusual creatures that act in surprising ways.

As Yoshi learns about these creatures, their behaviours and traits fill in the missing parts of the encyclopedia. Bit by bit, the book becomes more complete. What begins as a set of empty pages slowly turns into a living record of discoveries. The more Yoshi finds out, the more the book reveals about the strange creatures inside.

Discovering and Experimenting With Creatures

One of the most interesting ideas behind Yoshi and the Mysterious Book is that the creatures inside the game are not simply enemies to defeat. Instead, they are the main focus of the gameplay. As Yoshi explores the pages of Mr E’s book, he encounters a wide range of unusual creatures, each with their own behaviours and abilities. Rather than eliminating them, players are encouraged to interact with them in different ways to uncover their hidden traits.

Yoshi can eat creatures, carry them, jump on them, or feed them different foods. Each interaction sparks a new reaction. New discoveries are added to the book, gradually building an encyclopedia of each creature’s behaviour.

For example, in early footage from Nintendo, one creature spits out foamy bubbles that float up into the air. At first, they seem like harmless details. But if Yoshi jumps into a bubble, it turns into a floating platform that can lift him to higher places. That’s already a small puzzle, but there’s more to it.

If the creature eats an apple, the bubbles get bigger and last longer. If it eats something else, the bubbles might change colour or shape. In one case, they even turn into heart-shaped bubbles. These small changes encourage players to keep trying new things. Each time you test something different, you might find another discovery.

A World Built Around Interaction

The environments inside the book are built around creature interactions. Instead of traditional switches or simple puzzles, many obstacles require players to know how the creatures affect their world.

In one example shown by Nintendo, Yoshi finds a flower-like creature that makes flower buds bloom when he carries it on his back. As Yoshi moves through the world, the creature causes sleeping buds to open and send dandelion seeds into the air. These seeds then interact with other parts of the environment. In one case, the seeds take in nutrients and grow strong enough to break open a rock, clearing a blocked path.

Progression through the game will often depend on understanding these ecological relationships. One creature might trigger a flower, which releases seeds, which then break open a barrier somewhere else. Players who pay close attention to how these systems connect will likely uncover new areas and hidden secrets.

Another fun part of the game is that you can name the creatures you find. After you study a creature and learn about its behaviours, you get to pick a name for it. If you can’t think of one, Mr E will suggest a name for you. In one example from Nintendo, a new creature is named Globit. Once a creature is named and recorded, its discoveries remain in the book forever.

A Page-Turning Adventure Awaits

As players continue exploring the book and recording discoveries, they earn stars that act as a form of progress. As players explore the book and make new discoveries, they earn stars that help them progress. These stars unlock more pages in the encyclopedia, showing new creatures and places to explore. The more creatures you study, the bigger the book gets. It’s satisfying to see the once-empty encyclopedia slowly fill up with knowledge.broader design philosophy. Nintendo has long believed that the most memorable games come from simple ideas that encourage experimentation. Rather than forcing players down a rigid path, the company often builds systems that allow players to discover surprising interactions for themselves. This new Yoshi adventure seems built entirely around that idea.

Nintendo has announced that Yoshi and the Mysterious Book will be released on May 21, only for Nintendo Switch 2. We don’t know everything about the game yet, but early footage shows that Mr E’s pages are packed with even more strange creatures to find. If the final game adds many unique lifeforms and interactions, the book could end up a huge collection of discoveries by the time the adventure is over.

At its heart, Yoshi and the Mysterious Book is all about curiosity. Every creature has behaviours that can change the world around it. Each page of the book offers something new to try. As you keep exploring, the mysterious encyclopedia slowly shares its secrets. If Nintendo lives up to what we’ve seen so far, this could be one of the most creative Yoshi games yet—a game where every page holds a new mystery to discover.