"Who knows Köln - The Original City Quiz" Do You know Yor city or region? With over 500 questions about Köln. The Quizmaster draws a card and asks a question. Plyayers bets correct answer with A/B/C/D-cards face-down or use their joker card. Correct answer scores points and player may continue answering. Wrong answer eliminates player from the session. Game last until there are no players or the session is over. Player with the most points is the winner.