.m2 - World of Warcraft model object file
.lgt - Age of Mythology world lighting effect
.mdl - Flight Simulator 3D model file
.tdf - Total Annihilation features file
.sav - SpellForce 2 save game
.re4 - Resident Evil 4 file
.pak - Blitzkrieg archive file
.ffl - Aliens vs Predator game file
file extension XS - Age of Empires 3 Map AI generator
File extension XS description:
XS file is used for generating artificial intelligence (AI) for custom maps in Age of Empires III (AOE3). It is referenced during the map compilation process when a custom XML map file is loaded.
Common XS filenames are "aiLoaderStandard.xs" and "aiMain.xs."
Associated applications to file extension XS:
Company / developer:
Microsoft Game Studios
Age of Empires III
It's the dawn of a new age in real-time strategy (RTS) games. A brave New World is rising – a hostile yet beautiful world, filled with innovative gameplay, new strategic scenarios, eye-searing graphics and much more.
Players have access to their own European Home City for economic, technological and military support. Your Home City's success depends on you, with your city's improvements retained between games.


