Bonus game

A method of playing a bonus game associated with a gaming machine operated by a processor, the gaming machine having a base game, comprising the steps of:

• providing a bonus game having a plurality of different items to be selected by a player, each said item having a value in an amount preset for a given bonus round, and each item having a respective initial quantity in an amount preset for said bonus round;
• selecting operation of the bonus game if a predetermined event occurs in the base game;
• setting up a bonus round for play with said items displayed for player selection, but said quantities for said items are not initially revealed to the player;
• providing a player interface mechanism through which the player can select a desired item;
• the player selecting an item through operation of said interface mechanism;
• registering said value for an item selected, and subtracting a unit from said quantity, provided said quantity for that item selected is not zero;
• the player continuing to select another item with registration of said value for that item until an item is selected having a zero quantity.

A gaming machine comprising:

• a processor, said processor having a program for operating and controlling play of a base game, and for operating and controlling play in a bonus game;
• said bonus game having a plurality of different items to be selected by a player, each said item having a value in a first amount preset for a given bonus round, and each item having a respective initial quantity ranging from one to a second amount preset for said bonus round;
• selecting operation of the bonus game if a predetermined event occurs in the base game;
• a display driven by said processor upon which said items are displayed for player selection, but said quantities for said items are not initially revealed to the player;
• a player interface mechanism communicating with said processor through which the player can select a desired item;
• the player making a first selection of an item through operation of said interface mechanism;
• a registration mechanism which registers said value for said item of said first selection, and subtracts a unit from said quantity for that item;
• the player making another selection of an item unless said first item quantity is zero after said first selection, in which event the bonus round is terminated by said program;
• registering said value for said item of said another selection, and subtracting a unit from said quantity for that item;
• the player continuing to select items with registration of said value for that item until an item is selected having a zero quantity after subtracting a unit from said quantity for that item.

A game, such as a bonus game for a gaming machine having a base game, comprising:

• a plurality of different items to be selected by a player, each said item having a value in an amount preset for a given bonus round, and each item having a respective initial quantity in an amount preset for said bonus round;
• playing the bonus game if a predetermined event occurs in the base game, said play comprising:
• displaying said items for player selection, but said quantity for a respective item is not initially revealed to the player;
• providing a player interface mechanism through which the player can select a desired item, the player selecting an item through operation of said interface mechanism;
• registering said value for an item selected, and subtracting a unit from said quantity, provided said quantity for that item selected is not zero;
• the player continuing to select another item with registration of said value for that item until an item is selected having a zero quantity.

A bonus game for a gaming machine having a base game, comprising:

• a plurality of different items to be selected by a player, each said item having a value in an amount preset for a given bonus round, and each item having a respective initial quantity in an amount preset for said bonus round, said values and quantities being randomly assigned to said items for a given bonus round, said quantities for each item being initially greater than zero;
• playing the bonus game if a predetermined event occurs in the base game, said play comprising:
• displaying said items as consumer products for purchase by player selection, but said quantity for a respective item is not initially revealed to the player;
• providing a player interface mechanism through which the player can select a desired item, the player selecting an item through operation of said interface mechanism;
• registering said value for an item selected, and subtracting a unit from said quantity, provided said quantity for that item selected is not zero;
• the player continuing to select another item with registration of said value for that item until an item is selected having a zero quantity.