Pro Fortress Solitaire 1.0 Pro Fortress Solitaire card game is a varient of Fortress Solitaire modified to be more challenging for players who have mastered the standard version of Fortress Solitaire
Pro Penguin Solitaire 1.0 Pro Penguin Solitaire is a modified version of the solitaire card game Penguin Solitaire designed to make it more difficult for advanced players