As a game programmer, you realize the importance of creating stunningly realistic characters and captivating plots players should lose themselves in your game. You also understand the attraction of modding, and recognize the need to design a game that allows players to reshape it to fit their own vision. So how do you create a game that is all things to all people? Through scriptingcreating a custom-designed language. This comprehensive book contains everything you need to know in order to easily script and control your in-game entities and environments, as well as how to give players the ability to write mods and extensions. With a foreword by legendary game designer John Romero, Game Scripting Mastery is the serious game programmer's one-stop guide to scripting.