This is a tutorial book that takes you step by step through the development process of a simple 2D game made in Unity 4.2. You dont need to buy any tool to complete this tutorial. A unique 171-page book which details each step of the development of 3 levels of a simple 2D space shooting game with the help of hundreds of images and explanation for code. A good book for Unity beginners who want to learn game design from scratch to completion. It covers character design, weapons, scoring system, level design and management; and much more.