Ace Online is a 3D Massive Multiplayer Online action-based PC space shooter with various PvE and PvP elements to it. It was previously called Space Cowboys Online (SCO). Players can fly in their own space fighters called Gears and be able to participate in Player vs Environment as well as Player vs Player combat. Creation of guilds called Brigades in-game will be available as well as a variety of battle Formations to enhance when multiple Gears are engaged in combat together. Players will have the option of choosing one of two opposing nations to join, which will directly affect their missions and quests.