MU Online was first released in South Korea in 2003, and because of its success, publisher K2 Network decided to market it worldwide under the banner Global MU Online. The game is basically, about this lost continent of Mu, which is pretty much like Atlantis. A great war destroyed all of its rulers, and it is now up to the players to restore order.

• Explore Aida and the Fortress of Cry Wolf. Adventure and quest your way in Aida to level 380 and prepare for the Fortress of Cry Wolf.
• The ability to build and ride the powerful wolf Fenrir plus unique weapons and armor sets for each class.
• Never before seen monsters and NPCs including Werewolves, Witch Queens, Death Trees and Dark Elves.