In King Arthur: Knight's Tale, players take on the role of Sir Mordred, managing a team of heroes in turn-based tactical battles while making moral choices that impact the narrative and gameplay. The game combines hero management with strategic combat, requiring players to consider the strengths and weaknesses of their characters.

The storyline follows Mordred's resurrection by the Lady of the Lake, who tasks him with confronting the resurrected King Arthur, now a mad king in Avalon. Players must navigate a dark fantasy world filled with nightmares and magical creatures, ultimately aiming to end Arthur's reign.

King Arthur: Knight's Tale stands out with its deep character interactions, where heroes possess distinct personalities and loyalties that can shift based on player decisions. The game also features a Morality Chart that influences the protagonist's character and the unfolding narrative, ensuring that every choice carries weight.