A roulette device including: a roulette plate having a plurality of marks arranged thereon; a ball which rolls on the roulette plate; a plurality of ball receiving parts which are formed corresponding to the marks in a circumferential direction of the roulette plate to receive the ball; a bank passage which is provided on an outer periphery of the ball receiving parts of the roulette plate and on which the ball rolls along a circumferential orbit; a compressor which compresses air; and a first discharge hole which is provided in each ball receiving part and through which the air compressed by the compressor is discharged to the bank passage.