Forty Thieves Solitaire is a challenging and strategic two-deck solitaire card game. The goal of the game is to move all cards to the eight foundation piles, organized by suit and in ascending order from Ace to King.
The Tableau consists of ten tableau piles, every pile containing 4 cards faced up.
Valid moves include:
Moving a card or packed sequence of cards to an another tableau pile, in descending order and the same suit.
Moving a card to a foundation pile if it's one rank higher and of the same suit as the top card of the foundation pile.
If a tableau pile becomes empty, any available card can be moved into that space.
The game is won by successfully moving all cards to the foundation piles.