B.C.'s Quest for Tires II: Grog's Revenge is a sequel to the popular platformer based on Johnny Hart's B.C. comic strip, released for Colecovision in 1984. In this prehistoric-themed adventure, the player controls Thor, who rides a stone unicycle through different levels collecting clams. The game combines action and challenging obstacles, requiring players to navigate through mountainous terrain to reach the top while avoiding various enemies and hazards. Its unique visual style and gameplay reflect the comic strip's humor and simplicity, appealing to both fans of the comic and classic gaming enthusiasts.