Schafkopf

Deal the cards evenly among four players, with a fixed set of high cards always ranked as trumps regardless of the hand dealt.

Players declare whether they will play alone against the other three or call a partner using a specific card.

The player to the dealer's left leads the first trick, and the others must follow suit if able, with trumps beating all plain-suit cards.

The trick's winner leads the next trick, and this continues until all cards have been played.

Points from captured cards are tallied at the end, and the declaring side must reach a set threshold to win the hand.