Solitaire. Card game.
Scorpion solitaire is a popular card game for one player. The object of this game to create 4 columns of suit sequence cards from King down to Ace.
Endless hints.
Infinite undo.
Solitaire rules:
You must collect all the cards in the series in suit from King to Ace.
In the empty space you can put only a king or a series of cards beginning with a king.
On the card, you can put a card of the same suit one less rank.
You can drag any sequence of cards, regardless of their order.