GameShark is the brand name of a line of video game
cheat cartridges and other products for a variety of console video game systems and Windows based computers. Currently, the brand name is owned by
Mad Catz, who actively markets GameShark products for the
Sony PlayStation,
Xbox, and
Nintendo game consoles. Players load cheat codes from Gameshark disks or cartridges onto the console's internal or external memory, so that when the game is loaded the selected cheats can be applied.