Game Genie Video Game Enhancer 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 run faster, 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 video game master! The Game Genie code screen appears before the start of each game. It lets you enter codes for over 290 games in the codebook to create the special effects you want. Game Genie works on many game titles for the Nintendo Entertainment System. Not all effects can be created at the same time, and some effects are not available on some games. Features: Start on any level you want - More power - More speed - More Weapons - Infinite lives - Jump higher - Punch harder - Includes Codebook for over 290 games for the Nintendo NES