Game features an action role-playing video game-like level advancement system.

Arthur, who had been training himself to be a great knight, pulled out the sacred sword Excalibur from the rock. After pulling it out, Arthur realized his destiny was to become the first King of the Britons. Merlin then sends Arthur and his two closest companions, Lancelot and Perceval, to overthrow the evil king Garibaldi and to unite Britain.