Orbiter - simulator - happened in 2010.
Orbiter - simulator - was created on 2010-08-30.
Orbiter Space Flight Simulator may be downloaded from the Orbiter Sim website for free. To locate this, please Google the full term " Orbiter Space Flight Simulator" and select the first link rendered.
download it from dan stephs orbiter page or from orbithangar mods.
Orbiter - comics - happened in 2003-04.
ATV Simulator happened in 1987.
Airport Simulator happened in 2011.
Rail Simulator happened in 2007.
BMX Simulator happened in 1986.
Ship Simulator happened in 2006.
Some free flight simulators include YSFlight, FlightGear, and or Orbiter. Google those names for more information and/or to download. Also, Google Earth comes with a free flight simulator.
The Universal Military Simulator happened in 1987.
Echelon - flight simulator - happened in 2001.