In this study, general information about video game and video game sector, process of steps when designing, developing, and marketing a video game are presented in detail. Since game designers attempt to create their own type and develop new game type, there is no certain acceptance about suitable categorization for video games and certain number of video games types. For this reason, it is firstly mentioned about video game concept as well as systematically categorizing all game types in this study. Afterwards, each of these game categories and game types are described in details. Furthermore, it is aimed to raise awareness of researchers interested in this area, and to help in removing false or incomplete information about video games in the process of video game development.