Xconq does not have any default compiled-in game; every game you play is based on a game design that has been read in when Xconq starts up. This page is a sampling of games and screenshots that will show you the range and power of Xconq's game design language.
The World - a large and detailed map of the world
WWII Battalion - relentlessly detailed combat at the individual battalion level; multiple scenarios available
Panzer Battles - platoon-level tank combat, at several hundred meters/hex scale