Nintendo has released a free demonstration of Yoshi and the Mysterious Book on the Switch 2 eShop, giving players access to the opening chapter at no cost. The accompanying version 1.0.2 patch released the same day enables save data from the demo to carry over into the full retail version, allowing those who purchase to continue directly from their progress point.

The eShop demo reflects Nintendo's recent shift toward offering playable trials, with similar demonstrations released for titles like Rhythm Heaven Groove and Star Fox. Some players noted that releasing the demo after the game's initial launch may have aided early sales and reception, though it now provides a final opportunity for undecided buyers to sample the experience before purchasing.