The Brown Mouse is a recolor of the Grey Mouse with brown fur.

This section is a trivia section.

Please relocate any relevant information into other sections of the article.

1. The Brown Mouse, Grey Mouse, Starfish, Mochi Mouse, and Tanuki (when it rolls for experience) are the only pets that grant bonus experience for themselves.

2. The Brown Mouse’s ability stops when they reach zero hunger.

3. The Brown Mouse used to be the fastest aging pet with its passive trait, but the Starfish has taken its role as the best pet to use for pet/egg/pet-storage upgrades.

The Brown Mouse's passive trait allows it to gain ~750 bonus experience every ~8 minutes and increases the player's jump height by ~12%.

1. Note: The ~750 bonus XP only applies to itself and does not affect other pets****.