Craps is a popular casino gambling game using dice, previously known as crabs. Players wager against the casino on the outcome of one roll, or of a series of rolls.

Roulette is a casino game. A croupier turns a round roulette wheel which has 37 or 38 separately numbered pockets in which a ball must land. The main pockets are numbered from 1 to 36 and change between red and black, with number 1 being red.