Gaming machine

Abstract

When the base game is conducted, the hypothetical reels 101 R to 105 R are variably displayed and stopped on each of the variable display portions 21 to 25 of the lower liquid crystal display 4. On the contrary, when the bonus game is conducted, the hypothetical reels 101 R to 104 R are variably displayed and stopped on each of the variable display portions 21 to 24 of the lower liquid crystal display 4, and concerning with the variable display portion 25 of the lower liquid crystal display 4, one hypothetical reel is selected among the hypothetical reels 106 R to 110 R and the one hypothetical reel selected is variably displayed and stopped on the variable display portion 25.

1 . A gaming machine having a plurality of first reel strips used in a base game, a display device on which the first reel strips are variably displayed and stopped, and a game controller for executing a video slot game including the base game and a bonus game on the display device, 
 the gaming machine comprising:    a plurality of second reel strips selectively used in the bonus game; and    a lottery device for determining at least one of the second reel strips used in the bonus game by a lottery;    wherein the game controller replaces at least one of the first reel strips with the second reel strip determined by the lottery device, and    wherein the game controller executes the bonus game to variably display and stop both the first reel strips remained after at least one thereof is replaced and the second reel strip determined by the lottery device on the display device.    
   
   
       2 . The gaming machine according to  claim 1 , wherein each of the first reel strips has a plurality of symbols and each of the second reel strips has a plurality of symbols, and 
 wherein a game result in the bonus game is determined corresponding to a symbol combination comprising both the symbols of the first reel strips remained and the symbol of the second reel strip determined by the lottery device.    
   
   
       3 . The gaming machine according to  claim 2 , wherein one of the second reel strips has a characteristic that provides more payouts in the bonus game than in the base game, in cooperation with the first reel strips.  
   
   
       4 . The gaming machine according to  claim 2 , wherein one of the second reel strips has a characteristic that it is easier to continuously obtain the bonus game in the bonus game than in the base game, in cooperation with the first reel strips.  
   
   
       5 . A gaming machine having a predetermined number of first reel strips used in a base game, a display device on which the first reel strips are variably displayed and stopped, and a game controller for executing a video slot game including the base game and a bonus game on the display device, 
 the gaming machine comprising:    second reel strips one of which is selectively used in the bonus game; and    a lottery device for determining the one second reel strip used in the bonus game by a lottery;    wherein the game controller prepares a plurality of strip combinations being comprised of a number of the first reel strips, the number being obtained by subtracting one from the predetermined number, and the one second reel strip determined by the lottery device, and    wherein the game controller selects one of the strip combinations and executes the bonus game to variably display and stop both the first reel strips and the one second reel strip included in the one strip combination on the display device.