Gaming

Abstract

A gaming machine has a random percentage selection device for randomly selecting a percentage value of a jackpot amount. The gaming machine may have a plurality of random percentage selection devices for selecting a plurality of individual percentage values and a summation unit for summing the individual percentage values to provide a summed percentage value. A display means is provided for displaying the individual percentage values and the summed percentage value. The gaming machine is particularly used together with a plurality of primary slot machines. Each of the primary slot machines has a supplementary winning combination which entitles the player thereof to operate the gaming machine to try and win a part, or all of, the jackpot.

1 . A gaming machine, which includes a random percentage selection device for randomly selecting a percentage value of a jackpot amount. 
   
   
       2 . The gaming machine claimed in  claim 1 , which includes a plurality of random percentage selection devices for selecting a plurality of individual percentage values and a summation unit for summing the individual percentage values to provide a summed percentage value. 
   
   
       3 . The gaming machine claimed in  claim 2 , which includes a display means for displaying the individual percentage values and the summed percentage value. 
   
   
       4 . The gaming machine claimed in  claim 2 , in which the individual percentage values are specific predetermined values. 
   
   
       5 . The gaming machine claimed in  claim 4 , in which the individual percentage values are limited such that the maximum sum thereof is 100% or less. 
   
   
       6 . The gaming machine claimed in  claim 2 , which includes a plurality of reels. 
   
   
       7 . The gaming machine claimed in  claim 3 , in which the display means also displays the jackpot amount and the amount corresponding to the summed percentage value thereof. 
   
   
       8 . The gaming machine claimed in  claim 1 , in which the jackpot is a progressive jackpot. 
   
   
       9 . Gaming apparatus which includes:
 a primary gaming machine having a selection device for selecting a plurality of winning combinations and a supplementary gaming event; and   a secondary gaming machine as claimed in any one of  claims 1  to  8  inclusive, that is activatable when the supplementary gaming event is selected by the selection device of the primary gaming machine.   
   
   
       10 . Gaming apparatus as claimed in  claim 9 , which includes a number of primary gaming machines associated with one secondary gaming machine, the secondary gaming machine being activatable when the supplementary gaming event is selected by the selection device of any one of the associated primary gaming machines. 
   
   
       11 . Gaming apparatus as claimed in  claim 10 , in which all the primary gaming machines are rendered inactive when the supplementary gaming event is selected by the selection device of any one of them, until the secondary gaming machine has been activated and a percentage value of the jackpot amount has been selected. 
   
   
       12 . A method of gaming, which includes enabling a player to randomly select a percentage value of a jackpot amount. 
   
   
       13 . The method claimed in  claim 12 , which includes paying the amount corresponding to the selected percentage value of the jackpot amount to the player. 
   
   
       14 . The method claimed in  claim 12 , in which a plurality of individual percentage values are randomly selected and the sum thereof determined. 
   
   
       15 . The method claimed in  claim 14 , in which the individual percentage values and the sum thereof are displayed. 
   
   
       16 . The method claimed in  claim 14 , in which the individual percentage values are specific predetermined values. 
   
   
       17 . The method claimed in  claim 16 , in which the individual percentage values are limited such that the maximum sum thereof is 100% or less. 
   
   
       18 . The method claimed in  claim 14 , which includes displaying the jackpot amount and the amount corresponding to the summed percentage value thereof. 
   
   
       19 . The method claimed in  claim 12  in which the jackpot is a progressive jackpot. 
   
   
       20 . The method claimed in  claim 12 , in which the player is enabled to randomly select the percentage value of the jackpot amount if the player selects a supplementary gaming event during a primary gaming session. 
   
   
       21 . The method claimed in  claim 20 , in which the primary gaming session is performed on a primary gaming machine and selection of the percentage value of the jackpot is performed on a secondary gaming machine. 
   
   
       22 . The method claimed in  claim 21 , in which the primary gaming session is performed on any one of a number of primary gaming machines and selection of the percentage value of the jackpot is performed on a secondary gaming machine. 
   
   
       23 . The method claimed in  claim 22 , in which all the primary gaming machines are rendered inactive when the supplementary gaming event is selected by any one of them until the percentage value of the jackpot has been selected by the secondary gaming machine.