While the earliest known form of the game was played with just 20 cards, today it is usually played with a standard deck, although in countries where short packs are common, it may be played with 32, 40 or 48 cards. It is played worldwide, but in some places the rules may vary. Poker is a family of comparing card games in which players wager over which hand is best according to that specific game's rules. For the magazine, see Poker Player.Ī game of Texas hold 'em in progress.