A book that breathes
The first time I held Mr. Encyclopedia’s magnifying glass over a half-empty page and watched my Yoshi get pulled, mid-flutter, into the pencil outline of a creature I had never seen, I understood the quiet problem Good-Feel had set for itself. How do you build a Yoshi game whose central question is “what is that?” instead of “how do I get past this?” Two weeks inside the papery little ecosystems of this Switch 2 exclusive answered me with the most generous, most observant Yoshi adventure I have played since the original SNES title taught us that infants were valid cargo.
The premise, drawn in pencil
The setup is small in the most charming way. Bowser Jr. wanders into the castle library, finds a sleepy, sentient book named Mister Encyclopedia, and opens it to a page showing a strange bird hovering above Yoshi’s Island. Curious, he climbs into the Junior Clown Car and flies off to investigate. A magnifying glass dangles from the spine of the book. He peers through it, vanishes in a flash, and the Clown Car face-plants on the beach without its pilot. Yoshi, who happens to be eating fruit nearby, finds the abandoned book, looks through the glass, and is also sucked between the pages. From that moment, every level is a field study, and Yoshi is the natural historian.
There are no princesses to rescue. There is a kidnapped Bowser Jr. to recover, there is a book to fill in, and that turns out to be more than enough motivation.
Tongue, tail, and a magnifying glass
The classic Yoshi grammar is intact. The tongue still grabs, the egg still flies, the flutter jump still hangs in the air for that satisfying half-beat. What is new is the Tail Flick, a tiny but transformative addition that lets Yoshi flick a creature onto his back and carry it through a level. Each species you pick up changes how the world responds. A Crazee Dayzee makes flowers bloom where you walk. A slow, drooling slug doubles as a boomerang when you spit it out. A wide-mouthed plant becomes a butterfly net. A googly-eyed flatfish turns into a surfboard you can ride across waves and into the bellies of sunken galleons.
Crucially, Yoshi has no health bar. There is no death animation. Fall in a pit and you reappear at the lip of it with a polite poof. Get bumped by a creature and you stumble for a beat, the camera squints sympathetically, and you keep going. I expected this to drain the tension, and to my surprise it concentrated it. With nothing to fail, every choice I made was about curiosity. Do I throw this creature, ride it, hide behind it, or watch what it does on its own for thirty seconds to see if it does something I haven’t catalogued yet? The game treats observation as a verb.
Each chapter is a biome rather than a world map, and each level inside a chapter is dedicated to one creature. You start with a blank entry: silhouette only, no name. As you interact with the creature, traits surface and the entry fills in. Once the page is complete, Mr. Encyclopedia asks if you would like to christen the species yourself or accept his suggestion. I named most of mine. I will not pretend I am proud of my vocabulary on a deadline.
How the volume begins
The opening cinematic, the one Nintendo dropped two days before launch, sells the tone perfectly. Bowser Jr. looks smug, then curious, then absolutely terrified as the magnifying glass yanks him into the page. It is also a sly inversion of the usual Yoshi-as-babysitter dynamic. Here, Yoshi is the one chasing a junior Koopa across realities. The narrative stays light from there, with hand-drawn vignettes between chapters that play like the entries of a Victorian naturalist who keeps misplacing his hat. It would be too lazy to call this story thin. It is more accurate to say it is calibrated, knowing exactly how much weight to ask the player to carry between gameplay beats. By the late chapters, Mr. Encyclopedia has grown into a real companion, half tutor and half lazy cat.
Music for the margins
Kumi Tanioka’s compositions are the secret engine of the whole experience. There is woodblock percussion, accordions that wheeze when you stand still, a recurring lullaby in 6/8 that I caught myself humming in the shower. The score leans on the same instrumental palette Tanioka brought to the Crystal Chronicles series, all soft brass and folk strings, and threads in classic Yoshi motifs only at moments when the camera pulls back and the chapter shows you its full landscape. Audio dynamics on the Switch 2’s improved speakers carry surprising warmth in handheld mode, and the headphone mix is clean enough that I could pick out individual instruments behind the bird calls.
A small but lovely detail: each creature has its own short musical sting that plays the first time you complete its entry, and Mr. Encyclopedia hums it back to you whenever you return to that page. It is the kind of touch that betrays a studio that genuinely cares about what it is making.
A field guide you fall into
This is where my admiration tips into affection. Good-Feel has built a sandbox that rewards loitering. I lost an entire evening to a tide-pool chapter because I could not stop trying to feed different creatures to one specific snail to see which combinations made it glow. Nothing in the game told me to do that. Nothing stopped me, either. The bestiary, which I expected to be a checklist, turned into a private journal of strange experiments.
Co-op is here and pleasant. A second Yoshi can drop in and out, holds the camera anchored to player one, and shares the same magnifying glass. It is not the centerpiece, but it is generous in the way local Nintendo co-op tends to be. Children will find it easy. Adults will find it disarming.
Difficulty hawks are going to file complaints about the absence of platforming punishment. I will file my counter-complaint here. The point of this game is not to test your reactions. The point is to make you look at things. The challenge, if you want one, sits in the optional secondary entries: each creature has hidden behaviours that only surface under particular weather conditions, near particular plants, or after specific interactions. Filling the book to one hundred percent took me longer than completing the main path, and I never resented a minute of it.
The Switch 2 makes its case
Technically, this game is a quiet flex. Unreal Engine 5 powers visuals that imitate stop-motion animation with painterly textures and pencil-sketch outlines, and the illusion holds because Good-Feel deliberately lowers the frame rate on jump and turn animations, exactly the way clay figures move under a real camera. On the docked output the picture is sharper than I had any right to expect from a near-2D game; on the handheld OLED screen the soft halos around foliage grab the eye more than they should. Load times between chapters sit comfortably under three seconds for me, and HDR on a compatible television does interesting things with the bioluminescent sequences in the cave biome. I encountered no performance hiccups across the campaign, no crashes, no frame-pacing issues, in either dock or handheld mode. The new HD Rumble 2 in the Joy-Con 2 adds a layer I did not expect: the texture of grabbing a feathered creature is distinct from the texture of grabbing a slimy one. Subtle, and the kind of detail that lands the moment you notice it.
Where the page turns
A handful of secondary entries lean on creature behaviours I had to look up because the in-game hints are coy to the point of opacity. The chapter map could carry more information about which entries are still missing. And the late-game boss confrontations, while charming, do not push the systems as hard as I wanted them to by the time I reached them.
These are footnotes against a game I would happily recommend to a curious adult, a six-year-old, or a Yoshi sceptic who tapped out somewhere around the Crafted-era softness. This is a confident, distinctive piece of work from a studio that has spent fifteen years figuring out what a Yoshi game can be. It is also one of the most beautiful objects on the Switch 2 so far.
Is it worth it?
Yoshi and the Mysterious Book is what happens when a developer trusts its central idea enough to let everything else breathe around it. Curiosity is rewarded, observation is rewarded, even the most unhurried play style is rewarded. The book closes with you wanting to open it again on a different page. I cannot ask for much more than that.
