I personally found that it was not necessary to purchase Impact as the book does a great job explaining the steps and providing screenshots that allow you to understand and follow the process. Chapter 1 introduces you to Impact and the additional programs that you will need to install, including the links to download them and a brief explanation on how to install them. Chapter 2 discusses in-game graphics and how to build automation scripts in Photoshop. Chapter 3 introduces the reader to game design and provides a detailed sample game design document that I found very interesting and helpful. Starting in Chapter 4, the book shows you how to build a game. This chapter was extremely well done and included all of the necessary components of a game including developing levels, maps, collision maps, classes, players, monsters, health, weapons, and so forth. In Chapters 5 and 6, the book shows you how to add text and sound to your game. Chapter 7 creates various screens including the opening, closing, credits and settings. The chapter also discusses the importance of keeping track of in-game analytics using Google Analytics. He wraps things up in Chapter 9 with references and links, but not before discussing in Chapter 8 how to debug your game and how to compile it for native iOS.
Disclosure: A copy of this book was provided to me as part of the O’Reilly’s Blogger Review Program on the understanding that I would read it and provide an honest review. If you are looking to join a review program, I highly recommend that you consider O’Reilly’s. Full details of the program can be found by clicking on the following: