A card game is a game played with a set of cards, typically featuring a standard deck of 52 playing cards or specialized decks designed for specific games. Players use the cards to compete against each other, following rules that dictate how the game is played, how cards are dealt, and how points are scored. Popular card games include poker, bridge, and solitaire. Card games can be played by individuals or in groups, making them versatile for different social settings. They can range from simple games suitable for children to complex games that require strategic thinking and skill. Many card games also have variations and house rules, adding to their appeal and replayability.