First Three Arcade Games.

Computer Space, 1971
Computer Space was the first video game open to the public. It was designed by Nolan Bushnell. It had many technological innovations, but the game was confusing and it didn't become a success so using the profits from the game, Nolan Bushnell left Nutting Associates and formed Atari Inc.

Pong, 1972
Pong was the first succesful arcade video game. It was designed by Nolan Bushnell and Alan Alcorn. The game play was simple and easy.Was manually controlled using a mouse or bar.It started the arcade industry off.

Tank, 1974
Tank was the first game to use ROM chips. They used recognizable objects eg. charactors where as Pong and games before used block graphics.