This is a very first chapter of Computer Games Development Course and in this, chapter We will try to find out the answer to these questions What are the significant milestones in the history of electronic game development? ■ Who are the pioneers in game development, and how did they contribute to the industry? ■ How did the game industry evolve from coin-operated electromechanical and mainframe computer games of the ’60s to today’s console, personal computer, online, and mobile industries? ■ What factors contributed to the video game slump of the early ’80s? ■ Why did certain game companies and game titles succeed during game development history—and why did some fail miserably?