With this illustrated, interactive guide to coding, readers will discover how to create, test, and play fun 2D computer games. No prior programming knowledge is required to become proficient: just follow the easy step-by-step examples to program and share games on an Apple or Windows PC, Android device, or Apple iOS tablet. With code instruction in JavaScript a user-friendly programming language used in millions of websites this book is the perfect springboard for mastering any coding skill, from website creation to business processes, computer engineering, and professional-level game development.