Dcon is a two-player action shooter game in which players control spaceships to defend a city from waves of enemy spacecraft across multiple levels. In this game, the setting is a sci-fi universe where players must work cooperatively to prevent alien invaders from destroying their city, navigating through various challenging environments and enemy formations. It stands out with its cooperative gameplay mechanics, fast-paced combat, and the use of classic arcade-style graphics, offering an engaging experience for fans of retro sci-fi shooters.