Patent ID: 8282100

Claim:
A roulette game device with a roulette wheel comprising: a roulette wheel having a plurality of pockets which is created so as to be continuous in a circumferential direction and in which a ball is held; an inclined face formed so as to extend from the plurality of pockets to an outer circumferential direction; a plurality of marks located on the inclined face, and created to correspond to each of the plurality of pockets; and an outer circumferential wall that is provided in an endless manner along an outer circumferential edge of the inclined face, wherein the outer circumferential wall includes a guide portion of a loop shape that is provided at an upper portion of the outer circumferential wall, and provided so as to protrude towards inside of the inclined face, wherein a length that the guide portion protrudes towards the inside is shorter than a length of a radius of the ball, and wherein the guide portion has an incline portion at an upper face side, and the incline portion inclines from an upper side of the outer circumferential wall towards a lower side of the outer circumferential wall.