For puzzles centered around playing cards. For questions about card games themselves, visit our sister site Board & Card Games Stack Exchange.

A puzzle centered around playing cards. Typical features of playing cards are:

  • rank: 2, 3, 4, 5, 6, 7, 8, 9, 10 (X), Jack (J), Queen(Q), King (K), Ace (A)

  • suit: spades ($\spadesuit$), hearts ($\heartsuit$), diamonds ($\diamondsuit$) and clubs ($\clubsuit$)

  • color: red: $\color{red}{\heartsuit\diamondsuit}$ (hearts and diamonds), black: $\spadesuit\clubsuit$ (spades and clubs).

Many games (bridge, poker, pontoon, rummy, solitaire, ...) can be played with these cards. For questions about card games themselves, visit our sister site Board & Card Games Stack Exchange.