4 Suit Spider Solitaire

Spider Solitaire at its most challenging. The card game 4 Suit Spider Solitaire is played with two full decks of cards, making it the most difficult version of solitaire out there. Beat this puzzle game by stacking similarly-suited cards in descending order to make them disappear from the tableau. When you've gotten all 8 stacks (two decks worth) of cards eliminated, you've beaten this solitaire card game.