and Canada, it is so well known that the term ' Solitaire', in the absence of qualifiers, typically refers to Klondike. The distinguishing feature of all variants is a triangular layout of the tableau, building in ascending sequence and packing in descending order. It has spawned numerous variants including Batsford, Easthaven, King Albert, Thumb and Pouch, Somerset or Usk and Whitehead, as well as the American variants of the games, Agnes and Westcliff. Klondike, also known as Canfield, is a card game for one player and the best known and most popular version of the patience or solitaire family, as well as one of the most challenging in widespread play. Canfield, Solitaire, Patience, Seven up, SevensĪgnes (Bernauer), Batsford, Easthaven, King Albert, Thumb and Pouch, Somerset or Usk, American Westcliff