Microsoft Flight Simulator 2004: A Century of Flight - PC Dynamic weather system based on realistic atmospheric physics, with true three-dimensional clouds that form and dissipate Worldwide scenery with accurate 3D terrain and auto-gen objects that fill in the world with appropriate buildings and vegetation Enhanced interactive air traffic control (ATC), including traffic at all airports around the world Improved support for 3D graphics hardware acceleration in multiple windows and across multiple monitors For 1 or more players over LAN or Internet