Wonder Dog is a side-scrolling platform game that was released for the Sega CD in 1992. The game was developed by Core Design and published by JVC Musical Industries. In Wonder Dog, players take on the role of the titular canine hero who has fled from his home planet of K-9 to Earth in order to escape the evil Pitbully Empire. With a special star suit for power-ups and a variety of stages that include forests and caves, players must help Wonder Dog save his planet. The game is recognized for its enhanced CD-quality soundtrack and animated cutscenes, which were notable features of Sega CD titles.