Companies divide their subtasks of game's development. For large complex games, the development team can vary in size from 20 to 100 or more members. The most represented are artists, followed by programmers, then designers, and finally audio specialists. Within the programming discipline itself, there are several roles each of which individual programmers work upon such as programming of the game engine, user interface and so on.

(a) Explain any other individual programming roles.

(b) Testing of a game typically comes in two phases: alpha testing and beta testing. Describe each phase and explain how this testing can be used to help finish your game project and maintain its quality.