Popular games published by company TechnoBrain

Since its release in 1998, this air traffic control game has established itself as a long seller, strongly supported by numerous users both inside and outside of aviation fandom.

This product (ATC4: Airport NAHA [ROAH]) is DLC for "I am an Air Traffic Controller 4". This DLC includes control of Naha Airport in Naha City, Okinawa, Japan and the adjacent Naha Air Base, as well as other military aircraft flying around the airport.

This product (ATC4: Airport NAGOYA [RJGG]) is DLC for "I am an Air Traffic Controller 4". This DLC includes control of the Chubu Centrair International Airport in Tokoname, Aichi, Japan.

This product (ATC4: Airport New Chitose [RJCC]) is DLC for "I am an Air Traffic Controller 4". This DLC includes control of New Chitose Airport and the adjacent Chitose Air Base in Chitose, Hokkaido, Japan.

This product (ATC4: Airport NARITA [RJAA]) is DLC for "I am an Air Traffic Controller 4". This DLC includes control of Narita International Airport in Narita, Chiba, Japan.