Place the cards on top of each other so that the smallest card is on top of the checkers to add up to the same number of cards and thus double the number of cards and make the row of cards smaller and the number of cards larger. Reach as many cards as possible before the row of cards reaches the bottom line or you will lose and have to start again from_ scratch.
How do you play? Hold down the left mouse button and drag it from_ the pile you want to move to the position where_ you want to leave it.