DESC: Venture into four foreboding worlds within Gotham City to help The Batman battle Cluemaster, Mr. Freeze, Firefly and The Joker! This action-packed, side-scrolling adventure teaches essential 3rd and 4th grade math skills and encourages exploration, deductive reasoning and problem solving. The actual item may vary from the photographs and/or illustrations. Works with Leapster Learning Game System (item number LFC20200), or Leapster L-MAX Learning Game System (item number LFC20256), each sold separately.