King of Cards is a mash up of slot machines and cards games. This 5-reel slot with 9 paylines offers big winnings with simple rules. Match the symbols on the lines to obtain the winning combinations. The Wild symbol, which is a Joker, substitutes for any game symbol except the Scatter symbol. Wilds also doubles your prize. Landing three or more Scatter symbols triggers 15 free spins which also triples any winnings. Lots of ways to win in a professional looking slot, makes this a great game for any betting fans.