Countess Thalia Solitaire Lite
Open the Mac App Store to buy and download apps.
Why play Solitaire alone, darling? As a member of the idle aristocracy, Countess Thalia has oodles of spare time to devote to games of Yukon. Her ladyship's best kept secret is how she wiggles the playable cards.
This is the free 'Lite' version. Please buy the full version "Countess Thalia Solitaire," to play Freecell and Klondike.