This listing is for the original game cartridge adapter for N64 games: GameShark Pro for the Nintendo64 From the lovely "Collection De La Wifey" case and Instruction booklet not included Cartridge adapter is in great condition (see photos) Cartridge adapter works as it should (video of game play coming soon) --------------------------- Below is text generated by Google's Ai when asked "what is GameShark pro for the N64?" for those of you asking that very same question right now. The GameShark Pro is a device that allows you to play Nintendo 64 (N64) games with special benefits, such as infinite lives, health, and ammunition, and hidden characters Codes The GameShark Pro comes with a simple interface that displays preprogrammed codes for thousands of games. You can enter these codes into your console to gain specific advantages. Searching for codes The Pro version of the GameShark has a special feature that lets you search the system memory for your own codes. You can open a search menu during gameplay and search for specific values that have increased or decreased. Disabling codes You can disable codes at any time during gameplay to return the game to its regular state. The GameShark was originally released for the Sega Saturn and Sony PlayStation in 1996, and for the N64 in 1997.