Patent ID: 7374485

Claim:
A gaming machine having a display and a game controller arranged to control images of symbols displayed on the display, the game controller being arranged once a player has bet a wager to play a base game wherein at least one random event is caused to be displayed on the display and, if a predefined winning event occurs, the machine awards a prize, the game controller being adapted to test whether a trigger event has occurred during the play of the base game, and if so, award the player a game feature, the game feature comprising a series of bonus games, each bonus game having a plurality of possible outcomes, the gaming machine further comprising a selector operable by the player prior to the play of the series of bonus games to enable a player to make a prediction as to a number of times a particular outcome will occur over the combined play of the series of bonus games, wherein if the number of times the particular outcome occurs over the combined play of the bonus games is equal to or greater than the prediction made by the player, the game controller is adapted to award a bonus to the player, wherein the value of the bonus awarded to the player is directly proportional to the probability of the number of occurrences of the particular outcome over the combined play of the series of bonus games being equal to or greater than the number of occurrences of the particular outcome as predicted by the player.