Cheat is a card game where the players aim to get rid of all of their cards. It is a game of deception, with cards being played face-down and players being permitted to lie about the cards they have played. A challenge is usually made by players calling out the name of the game, and the loser of a challenge has to pick up every card played so far. Cheat is classed as a party game. As with many card games, cheat has an oral tradition and so people are taught the game under different names. The game is called "I Doubt It" by Edmond Hoyle and is commonly known as "Cheat" in Britain and "Bullshit" in the United States.
Read article on Wikipedia