Cool World, a Nintendo Game Boy release, is likely based on the film of the same name. The game likely captures the film's themes and characters within a gameplay format tailored for the Game Boy's capabilities.  It's probable the game is a platformer or adventure game given the film's subject matter.  However, without specific details on the development and release, a full analysis of gameplay and overall impact is impossible.

Cool World (USA)

Cool Hand (Europe) (Fr,De)