Pro Scorpion Solitaire is an advanced version of Scorpion Solitaire for players who have mastered the original version of Scorpion Solitaire. In Pro Scorpion Solitaire, an additional 7 cards are turned face down for a greater challenge. Scorpion Solitaire is played without foundations and the goal of the game is to build the cards down into four columns from King to Ace by suit. The player may move groups of cards that are not fully packed.