Pyramid Solitaire is a popular single-player card game with a history spanning many years. It is a variant of Klondike Solitaire in which a pyramid of cards must be removed by pairing them in specific ...
While a game about ghosts and a spooky castle might be better suited to play around Halloween, MegaZebra's Solitaire Castle on Facebook is perfect to play any time of year, offering the now standard ...