YS Flight Simulator is a fully featured lightweight flight simulator. As well
as basic functionalities, it has a network feature that allows you to fly
with or against your friends. You also can fly a formation leader, dogfight,
intercept, attack ground, take off and land on an aircraft carrier and so on,
and you can choose your aeroplane from more than 50 air planes, and there are
several maps as well. (in Games)