Plug the regular game cartridge on top of the GameShark. Turn on the N64 and boot the GameShark Pro. After the GameShark Pro boots up, you will see the Main Menu. Click Select Cheat Codes and enable the preprogrammed cheat codes that you would like to use with the current game title.

Also Know, what is the GS button on n64? GS Button This feature is used to enable specific codes.

Also, how does a GameShark work?

When GameShark (and other game enhancer products/homebrew) gets loaded by the console, the enhancer is what launches the actual game. In doing so, it leaves behind a Code Handler in the system RAM and hooks the games programming. If you are familiar with GameSharks Master Code, that is what sets the hook.

What is a GameShark pro?

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, which marketed GameShark products for the Sony PlayStation, Xbox, and Nintendo game consoles.