Blackjack is a comparing card game between a player and dealer, meaning players compete against the dealer but not against other players. It is played with one or more decks of 52 cards. The objective of the game is to beat the dealer in one of the following ways: Get 21 points on the player's first two cards (called a "blackjack" or "natural"), without a dealer blackjack; Reach a final score higher than the dealer without exceeding 21; or Let the dealer draw additional cards until his or her hand exceeds 21. Wikipedia

Poker is a family of card games that combine gambling, strategy, and skill . All poker variants involve betting as an intrinsic part of play, and determine the winner of each hand according to the combinations of players' cards, at least some of which remain hidden until the end of the hand. Poker games vary in the number of cards dealt, the number of shared or "community" cards, the number of cards that remain hidden, and the betting procedures. Wikipedia