Craps is a type of dice game that originated in the Middle Ages in Europe. The game is believed to have been played since the first century, although the exact time is unknown. The game involves two dice and players make a bet on the outcome of the roll. As with many dice games, the outcome of each roll of the dice can have a variety of outcomes and players must be aware of the probabilities of each outcome in order to play the game competitively. The rules of Craps are relatively simple and it is a relatively easy game to learn, making it a popular choice for online gamblers in Mongolia.