Deco Online is a free to play MMORPG in developed by Rocksoft and published by Joymax Co, Ltd. Described as "casual PvP", the game features include a battle system that restricts your abilities not only by a stat bar, but by a warm up system to make the act of battle more realistic, a job transfer system that allows you to specialize your career, and a battlefield system for PvP.
Players can transfer their character's job through the 'Job Transfer System'. Players can also buy mounts such as horses to ride around the land for increased travel speed.
Publisher Joymax terminated service for Deco Online on April 11th, 2011.