It's like three games of blackjack at once, kings double numbered cards, queens reverse the order of change the suit, and jacks take your(or your opponents) numbered cards out of play, when each pile(or "caravan") of yours is worth between 21-26, you win. Great way to make money, I made about 4000caps off no-bark noonan alone. He can spare it tho, I get the feeling he's the rich eccentric type;p