How Long is Yoshi and the Mysterious Book?

GameRant estimates Yoshi and the Mysterious Book takes about 15–20 hours to clear all 12 chapters.

Post-credits and bonus chapters add substantial playtime beyond the opening stretch.

Players aiming for 100% completion, including collectibles like Smiley Flowers, should expect roughly 30–50 hours.

The guide gives a clearer sense of the game’s full scope and how long the campaign may take.