Bridge is a trick-taking card game played with a standard 52-card deck. It is played by four players in two competing partnerships, with partners sitting opposite each other around a table. The game has two dominant variations: rubber bridge, which is more common in social play, and duplicate bridge, which enables comparative scoring in tournament play.

In bridge, each player is dealt thirteen cards from a standard 52-card deck, and a trick starts when a player leads, i.e. plays the first card. The leader to the first trick is determined by the auction, which is a process where each player bids on the number of tricks they think they can win with their hand. The highest bidder becomes the declarer, and their partner becomes the dummy. The objective of the game is to win tricks, with thirteen tricks per deal.

Bridge is a game of skill played with randomly dealt cards, which makes it also a game of chance, or more exactly, a tactical game with inbuilt randomness, imperfect knowledge, and restricted communication. The chance element is in the deal of the cards, and in duplicate bridge, some of the chance element is eliminated by comparing results of multiple pairs in identical situations.

Bridge is one of the worlds most popular card games, particularly among seniors, with millions of people playing it worldwide in clubs, tournaments, online, and with friends at home. It is considered the ultimate trick-taking card game and is enjoyed by tens of millions of people throughout the world, making it the most popular card game in social circles.