Patent attributes
A gaming apparatus according to the present invention comprises: a roulette wheel including a plurality of pockets associated with respective numbers in advance; a memory for storing a plurality of control data for controlling the gaming apparatus so as to provide different weights on probabilities that a ball is housed in each of the pockets; and a controller, the controller controlling rotation of the roulette wheel and launching of the ball by referring to a single control data out of the control data, determining a number corresponding to one of said pockets with said ball housed therein as a winning number, determining whether or not to offer a prize based on the determined winning number and a BET placed by a player, and selecting another control data different from the single control data, out of the plurality of control data, and setting the selected control data as a reference target, when determining that the prize is to be offered.