Airport Time Machine

You are an air traffic controller in the year 1925. As time progresses, your small grass airfield grows up into a major international airport in 1970. Witness WW2, the flying mail service in the 1920's, the breaking of the sound barrier, and birth of the passenger jet. 60 different levels; 40 different aircraft types; 3 different eras, including future, plus an '1802 steampunk' era. The PC/Mac…