Gamble game for gaming machine

Abstract

A gaming machine adapted to provide a main wagering game in response to a wager placed by a user is provided. The main wagering game involves the selection and presentation of a plurality of symbols on a display and if a winning combination occurs, the gaming machine determines an award associated with the winning combination. The gaming machine is further adapted to provide the user with the choice of gambling the determined award on a gamble game, wherein the expected return of the gamble game to the user is greater than 100%.

1 . A gaming machine adapted to provide a main wagering game in response to a wager placed by a user, the main wagering game involving the selection and presentation of a plurality of symbols on a display and if a winning combination occurs, the gaming machine determines an award associated with the winning combination, the gaming machine further adapted to provide the user with the choice of gambling the determined award on a gamble game, wherein the expected return of the gamble game to the user is greater than 100%. 
   
   
       2 . A gaming machine according to  claim 1 , wherein in the gamble game the gaming machine prompts the user to guess the value of a characteristic of a hidden symbol and if the guess is correct the user is awarded the award multiplied by a winning multiplier and if the guess is incorrect the user is awarded the award multiplied by a losing multiplier, wherein the winning multiplier is greater than one and the losing multiplier is greater than zero. 
   
   
       3 . A gaming machine according to  claim 2 , wherein the characteristic has two possible values, the winning multiplier is three, and the losing multiplier is 0.5. 
   
   
       4 . A gaming machine according to  claim 2 , wherein the hidden symbol is a symbol representing a playing card and the characteristic value relates to the colour of the playing card. 
   
   
       5 . A gaming machine according to  claim 2 , wherein the characteristic has 4 possible values, the winning multiplier is five, and the losing multiplier is two thirds (0.6 recurring). 
   
   
       6 . A gaming machine according to  claim 2 , wherein the hidden symbol is a symbol representing a playing card and the characteristic value relates to the suit of the playing card. 
   
   
       7 . A gaming machine according to  claim 1 , wherein the gamble game is only provided to the user if a trigger event triggering the gamble game occurs during play of the main wagering game. 
   
   
       8 . A method for operating a gaming machine, the method including:
 providing a main wagering game in response to a wager placed by a user, the main wagering game involving the selection and presentation of a plurality of symbols on a display and if a winning combination occurs, the gaming machine determines an award associated with the winning combination;   providing the user with the choice of gambling the determined award on a gamble game in which the user can gamble the award, wherein   the expected return of the gamble game to the user is greater than 100%.   
   
   
       9 . A method according to  claim 8 , wherein in the gamble game the gaming machine prompts the user to guess the value of a characteristic of a hidden symbol and if the guess is correct the gaming machine awards the user the award multiplied by a winning multiplier, and if the guess is incorrect the gaming machine awards the user the award multiplied by a losing multiplier, wherein the winning multiplier is greater than one and the losing multiplier is greater than zero. 
   
   
       10 . A method according to  claim 9 , wherein the characteristic has two possible values, the winning multiplier is three, and the losing multiplier is 0.5. 
   
   
       11 . A method according to  claim 9 , wherein the hidden symbol is a symbol representing a playing card the characteristic value relates to the colour of the playing card. 
   
   
       12 . A method according to  claim 9 , wherein the characteristic has 4 possible values, the winning multiplier is five, and the losing multiplier is two thirds (0.6 recurring). 
   
   
       13 . A method according to  claim 9 , wherein the hidden symbol is a symbol representing a playing card the characteristic value relates to the suit of the playing card. 
   
   
       14 . A method according to  claim 8 , further comprising instructions executable by a game controller. 
   
   
       15 . A method according to  claim 14 , further comprising a storage medium readable by said game controller, the storage medium storing said instructions. 
   
   
       16 . A method according to  claim 14 , further comprising a data signal carrying said instructions.