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 ...

Close your eyes - not if you're driving! - and picture a Facebook game. What do you see? A farm, most likely, or perhaps a city block or even the inside of a fifties diner. (If you see Triple Town, of ...