Buy 3 items and get 1 free! (Applies to all video game items priced at $20 or less). Add items to cart before purchase to receive free item.Unleash your creativity and expand your Nintendo NES experience with the Game Genie programming manual and code book, Volume 2. Explore the vast potential of the Game Genie with detailed instructions and code examples that will guide you through the development process. Whether you're a seasoned programmer or a newcomer looking to dive into the world of game creation, this manual and code book set is an essential resource for any Nintendo enthusiast.