Santase (known as 66, Сантасе, Sixty-six or Sechsundsechzig) is a well-known card game in Bulgaria and also played in Germany.
It is a fast 6-card game for 2 players played with a deck of 24 cards consisting of the Ace, Ten, King, Queen, Jack and Nine.
The game is named 66 because the objective of each hand is to be the first to collect 66 card points in tricks and melds.