Variety Solitaire 3in1 included classic Klondike, Freecell and variant Eight-off.

1000 levels included in each game!

-Klondike 1000!
The well known classic Solitaire.
Building four complete columns of spades, clubs, diamond and hearts running from A up to K on home cells.

-Freecell 1000!
Building columns with using free cells.

-Eight-off 1000!
Building columns in different rule of classic Freecell.

More details on the official game page of Solitaire Collection ...