Cluefinders Math Adventures Ages 9-12 Deluxe Solve the Mystery of the Stolen Treasures in an old village high in the Himalayas. Develop multiplication, division, geometry, problem solving, and critical thinking skills. Adjusts to keep pace with your child's abilities. Provides help when needed. Places child at just the right skill. Tracks progress. Windows XP, Vista, 7, 8, 10 compatible