Remove all cards from the Tower. You can remove cards from it when the card is 1 higher or lower in value than the open card (top left). Click on the closed stack to get a new open card.
A Pyramid Solitaire game in the Circus. Combine 2 free cards to a total value of 13. Value of the cards is the face value and a J=11, Q=12, A=1; the K=13 and can be removed as a single card.