Gameshark is the American brand name of the Action Replay, originally. At that time the GameShark altered memory address to create cheat codes. It was sold in various forms by Interact until their bankruptcy. The name brand was then sold to Mad Catz in January of 2003. After the aquasition Mad Catz continued marketing the brand as a traditional cheat device. When releasing the Xbox GameShark it was revealed that "Power Saves" would take the place of cheat codes.