Players each take on the roles of one of the Knights of the Round Table, either King Arthur, Sir Gawain, Sir Palamedes, Sir Galahad, Sir Kay, Sir Percival, or Sir Tristan. Players use their characters' special abilities and the cards they draw throughout the game in order to complete quests, compete in tournaments and battle Saxons and Picts. Players work together to complete the quests before accumulating enough defeats or character deaths to cause the game to end. The game has had several expansion sets: