Patent ID: 8475256
Filing Date: 2013-07-02
Classification: G07F

Abstract:
1. A gaming machine which includes: a display that under the control of a game controller displays a plurality of display positions for displaying combinations of symbols; the game controller controlling operation of the gaming machine, and displaying selected symbols on the display; and a selector operable by a player of the gaming machine to enable the player to select a feature which can be added to a base game played on the gaming machine, and to make a wager on the game, the wager including a base game component and an additional wager component, the additional wager component required by the game controller to be staked by the player in order for the player to be eligible for the feature, there being no guarantee that a benefit provided by the feature will eventuate merely by having staked the additional wager, wherein when the benefit eventuates, the size of the benefit provided by the feature is dependent on the wager on the game; and wherein the feature includes a series of free games and the number of free games provided by the feature is dependent on the size of the base game component of the wager.