New Yankee in King Arthur's Court 4: Set off on a time-tripping adventure to the medieval past to face fantastical foes and solve a mystery of legends and magic! Featuring a hilarious storyline, eye-popping visuals and thrilling minigames, New Yankee in King Arthur's Court 4 is Sir John's biggest, boldest adventure yet! New Yankee in King Arthur's Court 4 Walkthrough.