is a 2D Online Action RPG based on "Monster Raid." Users engage in battle with powerful boss monsters as they run around the MMO format village field and MO format battlefield.In the battlefield, a maximum of 4 users form a team and engage in a battle with powerful monsters. Since monsters use a diverse range of skills, and geographic features are utilized, users can experience a battle wherein they cannot afford to let down their guard even for a moment.

Beyond simply using skills whenever you do a cool time, you must come up with a strategy and create an attack pattern according to the condition of the monster and the skills you have. Cooperation between team members is also essential when facing a powerful monster.

Still, that does not mean game play is that difficult. "Raid Online"is set to introduce a game play that can be enjoyed by everybody as well as a very convincing pattern for attacking monsters.