In Space Cowboy Online, players pilot their own individual starfighters (called "Gears") throughout a number of maps, including terrestrial, lunar, and space maps. It has typical MMORPG elements such as leveling, currency, and a skills system. ACE Online is a 3D space shooter that combines action and MMORPG elements. Developed by MasangSoft, one of Korea's most renowned game development houses, the game puts players in the role of fighter pilots and behind the controls of ships known as Gears. As the player battles in this intergalactic world at war, they will complete missions and engage other players in intense aerial dogfights.