Cards are dealt to 4 tableau columns in a set of four, each column getting one card. Top card in a tableau column can be discarded to waste pile if there is another top card of same suit and higher rank in another tableau pile. When no play is possible, four cards can be dealt from the stock to the tableau columns. An empty column can be filled with top card of any tableau. Only top cards in the tableau columns are available for play.
When there is no play possible and game is still not won, you can avail a bonus move to finish the game.
Features: Save game state to play later; Unlimited undo; Game play statistics.