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How to evolve Tandemaus into Maushold

Surprise! Extra mice just ... show up

A family of four mice, called Maushold, stand in a dark city
A family of four mice, called Maushold, stand in a dark city
Image: Game Freak/The Pokémon Company, Nintendo via Polygon
Julia Lee
Julia Lee (she/her) is a guides producer, writing guides for games like The Legend of Zelda: Tears of the Kingdom and Pokémon Go. She helped launch the Rift Herald in 2016.

The adorable mouse family Pokémon, Tandemaus, can be caught pretty early. Its evolution requirement isn’t too complicated, but it does have a funny gimmick.

Our Pokémon Scarlet and Violet guide will explain where to find Tandemaus and how to evolve it into Maushold.

Where to find Tandemaus

Tandemaus can be spotted in several areas around Paldea. We found some very easily on the route to the Pokémon League, which you can access through a tunnel west of your academy.

Despite the Pokédex saying that they don’t show up often, we found lots of these little critters.

A Pokédex entry saying where to find Tandemaus in Paldea, highlighting areas around certain towns and mountains
Image: Game Freak/The Pokémon Company, Nintendo via Polygon

How to evolve Tandemaus into Maushold

Based on our testing (we evolved three of them), Tandemaus evolves into Maushold at level 25. However, it doesn’t have an evolution animation. At level 25 it simply was just a Maushold in our party.

Really, they just had kids and did not give us a heads up. They moved their whole family in. Kind of rude, but we’ll take it.

Some datamines have noted that there are two versions of Maushold: a version with one child and a version with two children. Allegedly, the version with one child is much rarer. As of writing this, we’re unsure if there are specific requirements to get the three-mouse family or if it’s completely random.

Pokémon Scarlet/Pokémon Violet
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Why we like itPokémon Scarlet and Violet introduced a fun narrative with multiple story arcs for different companions. The open world gameplay was also fun and refreshing, despite needing a bit more polish. If Scarlet and Violet are what future Pokémon games will expand upon, we’re excited about that future.
— Julia Lee, Guides Producer