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You play as Millie, a small mouse on a mission to find food for her kids in a house that's far too big—and far too dangerous. As Millie ventures through the enormous rooms, she’ll face towering obstacles and enemies that dwarf her in size. Can she outsmart these dangers and make it back to her family, or will the horrors of the house overwhelm her?
November 21, 2025
Small Mouse Big House was released on November 21, 2025.
Small Mouse Big House takes about 22 hours for the main story, or around 22 hours for full completion.
Small Mouse Big House is available on PC (Microsoft Windows).
No — Small Mouse Big House is a single-player game.
Small Mouse Big House was developed by Polypaw.