- Humanoid (Rodenian) subtype
- Chose Bonuses (+2 to chosen attribute)
- Small Size: +1 bonus to Armor Class, +1 bonus on attack rolls, +4 bonus on Hide checks, -4 penalty on grapple checks
- A Mousefolk base land speed is 20 ft, mousefolk also have a 10 ft climb speed and a 10 ft swim speed.
- Mousefolk have a +8 racial bonus on Climb checks and can always choose to take 10 on Climb checks, even if rushed or threatened.
- Mousefolk have a +8 racial bonus on any Swim check to perform some special action or avoid a hazard. It can always choose to take 10 on a Swim check, even if distracted or endangered. It can use the run action while swimming, provided it swims in a straight line.
- Low-light Vision: Mousefolk can see twice in starlight, moonlight, torchlight, and similar conditions of poor illumination. They retain the ability to distinguish color and detail under these conditions.
- Racial Skills: Mousefolk get a +4 racial bonus to Listen, and a +2 bonus to Sleight of Hand.
- Automatic Languages: Common, Rodenese