The 19th-century card game LOO is a trick-taking game that was popular in England during the 19th century. It is believed to have originated in France and was brought to England by French immigrants. The game is played with a standard 52-card deck and is usually played with four players. The objective of the game is to win the most tricks and score the most points. Players must follow suit and try to win as many tricks as possible. The game is won by the player who has the most points at the end of the game.