Forty Thieves Solitaire is one of the most popular solitaire games. The game's goal is to score points by moving all of the cards into the foundations in ascending order using a mouse. The player can move one card at a given time. The cards must be placed on a card of the same suit with one higher value. The game has a tutorial that is easy to follow for beginners. The game features beautiful graphics and animation that help create a relaxing and fun environment.