IL-2 Sturmovik

IL-2 Sturmovik is a Russian-developed World War II flight sim that takes place in the Eastern Front of the European theater. You can fly as the Soviets or Germans. In addition to familiar combat-flight sim elements such as campaign and single mission options and a host of flyable aircraft for each country, this title adds the ability to turn the flying over to AI and lets you control the rear gunner. The difficulty (i.e. realism) of the controls is customizable, so you can play IL-2 as a realistic sim or as an arcade shooter.