Patent ID: 8591312

Claim:
A gaming machine comprising at least one display and a user interface in communication with a game controller, the gaming machine providing a game in which: the gaming machine accepts a wager on one or more outcomes of the game and the gaming machine displays on a said display symbols representing the one or more outcomes; if a winning combination of symbols occurs in at least one of the outcomes on which a wager has been accepted, the gaming machine awards an award associated with that winning combination; on occurrence of a trigger event during play of the game, a second screen feature game is displayed on a said display, the second screen feature game comprising a plurality of potential prizes arranged in a scale of potential prizes and a series of game events, wherein for each game event in the series, a player-selectable choice is given to select between at least two options, the gaming machine detecting operation of the user interface to determine which option has been selected; in the second screen feature game, the game controller randomly determines if the selected option is a winning choice, and randomly determines a prize award from among a plurality of prize awards that is won if the selected option is a winning choice, wherein the prize awards available for determination comprise at least two different characteristics, a first of the characteristics being 1) one or more additional plays of the second screen feature game, or 2) movement along the scale of potential prizes, and a second of the characteristics being a value of movement along the scale of potential prizes, and wherein the at least two characteristics are randomly determined by the game controller; and on completion of the second screen feature game, the gaming machine awards a bonus prize based on the scale of potential prizes depending on where on the scale of potential prizes the second screen feature game ended and subsequently provides a bonus game which is separate of the second screen feature game and comprises an outcome which is affected by the prize award won in the second screen feature game.