Canfield Solitaire is one of the most difficult types of solitaires. This is a very complex game, so be ready to spend a certain amount of time and energy on it. Your task is to lay out all the cards into 4 decks in ascending order. Cards that you put for the placement in the auxiliary decks must alternate. That is alternate the red suit with the black one and vice versa. It complicates the process of collecting decks. You win if you collect 13 cards on all four bases.