INTRODUCTION OF "Game Design Principle" is 

focus on computer game design.This programme emphasizes the root of computer design.

This process takes time for the production process depends on the formation of a game that started from the beginning to the end.Beginning of the chapter is about the basic principles of the next game more specific to the type and style computer games, the ideas behind the development of the game, the beginning of the concept for the characters, environment, structure and mechanics of the game, a good role and skills of computer games,