The Agent as the Directorĭirector systems are like any other AI agent: they adhere to the simple principles of being intelligent and rational, i.e. The director faces a tough problem in ensuring players don’t rage quit or become bored. The term director is attributed to the game that gave the idea meaning: Turtle Rock and Valve’s survival shooter series Left 4 Dead. In these instances, the AI system isn’t controlling each non-player character, but directs how the game unfolds for the player. In this instance, we’re looking at a resource management problem in game design typically referred to as ‘director’ systems.