The GameShark is arguably the most popular video game cheat device of all time in North America, but getting to the top of the mountain wasn't easy. From Gameshark's U.K. origins dating back to the Action Replay & Commodore 64, its numerous failures against the Game Genie, knock offs, and innovative products like the Sharkwire, whihc could take your Nintendo 64 online. This is the story of the GameShark.