Air Traffic Controller (ぼくは航空管制官, Boku wa Kūkō Kanseikan, shortened as ATC) is a simulation computer game series, developed by TechnoBrain, that simulates the operation of an airport. The games simulate the job of an air traffic controller. The player's mission is to direct planes onto the correct ILS, land them on the runway, taxi them to the correct gate, and to direct takeoffs.