LeapFrog Leapster Learning Game Batman Help Batman defeat the villains of Gotham City by wielding your powerful mathematics skills! Batman is relying on your skip counting prowess to help him move through the funhouse to stop The Joker's latest evil plan. Focus your skills with shapes and mathematics to help Batman stop Firefly from stealing a valuable laser. Recover stolen diamonds by using your red-hot addition and subtraction skills to help Batman defeat Mr. Freeze. Teaches odd and even numbers, counting, skip counting, addition and subtraction.