Game Genie is the Video Game Enhancer that gives you the power to change and customize your favorite video games. Want more power? More speed? More lives? Infinite lives? More weapons? Want to jump higher, punch harder? Start out on any level you choose? Even out the competition by giving more lives, powers, or abilities to one player? Using the simple step-by-step instructions in the Game Genie Manual, you can take command of your video games - and be a game master!

Also, the Game Genie is slightly bigger than a regular NES cartridge and imposible to get in the new NES style. So Galobe made these converters so it would fit in the new NES. They would give these to anyone who would call and complain about how it wouldn't fit in there NES.