You can either play poker in a casino or online. Poker is generally played using a normal 52-card deck, with four suits of playing cards which are spades, hearts, diamonds, and clubs. Poker can be played by two or more people with a deck of cards. Even though there are numerous poker variations, they all share some common characteristics. Poker is a card game in which a player must either match the wager, raise the stake, or concede. You can enjoy the best time playing online poker and win some good money! What is Poker? One of the most famous ways of earning some extra money is by playing poker. Every person tries to find ways by which they can earn extra money and fulfil their expenses.