DCS World

Digital Combat Simulator World is a free-to-play, authentic military combat simulation game that offers a vast game world, a powerful mission editor, and a wide range of aircraft, vehicles, and weapons. The game includes the Su-25T ground attack jet and the TF-51D Mustang fighter, as well as two free maps: the eastern Black Sea and the Mariana Islands. Its sandbox design allows for multiple time periods and extensive customization.