Poker is a betting game in which players, with all or part of their hidden cards, place bets on an initial bid, with the total sum of the bets falling on the player or players with the best combination of cards.
There are many variants of poker, including open poker, closed poker, shared card poker and assorted poker. The most played of the first three categories are commonly covered poker (five closed or draw poker), seven open (seven-card stud), Omaha holdem, Texas holdem and Poker 224, each of which a good starting point for learning such games. All cards are used, including jokers in some forms. There are currently several hundred online venues that allow you to play almost every variant of poker.