Abstract: A gaming machine has a wager-input device for receiving a first wager from a player to play a wagering game having a basic game and a bonus game. A display displays a plurality of symbols located thereon during the basic game. The symbols indicate a randomly-selected outcome selected from a plurality of outcomes in response to the wager. The plurality of outcomes includes a bonus-triggering outcome. A set of available game-enhancement parameters is displayed and the player is provided an option of submitting a second wager to purchase at least one of the set of available game-enhancement parameters. The set of available game-enhancement parameters provides an enhancement selected from the group consisting of: additional bonus-triggering outcomes providing a higher probability of triggering the bonus game, and enhanced awards during the bonus game.

Abstract: A gaming machine has a wager-input device for receiving a first wager from a player to play a wagering game having a basic game and a bonus game. A display displays a plurality of symbols located thereon during the basic game. The symbols indicate a randomly-selected outcome selected from a plurality of outcomes in response to the wager. The plurality of outcomes includes a bonus-triggering outcome. A set of available game-enhancement parameters is displayed and the player is provided an option of submitting a second wager to purchase at least one of the set of available game-enhancement parameters. The set of available game-enhancement parameters provides an enhancement selected from the group consisting of: additional bonus-triggering outcomes providing a higher probability of triggering the bonus game, and enhanced awards during the bonus game.

Abstract: A wagering game system is provided and includes a gaming system for playing a wagering game, including an input device adapted to receive an input from a player of the wagering game, a processor configured to determine a wagering game outcome, and a gambling feature incorporating a game in which a player is statistically more likely to win than to lose, wherein the gambling feature is enabled by a wagering game outcome that includes a winning combination.

Abstract: The present invention is directed to a gaming terminal and a method of playing a wagering game having a parlay feature. Using the parlay feature, a player can place a wager that is greater than a maximum wager allowed at the gaming terminal. In addition, the parlay feature allows a player to wager a portion of the player's prior winnings, instead of the entire amount. Furthermore, the parlay feature can be saved and used in a later gaming session at the same or different gaming terminal.

Abstract: A gaming system for playing a basic wagering game on a gaming terminal. The gaming system includes an input device adapted to receive an input from a player of a basic wagering game and output a signal to a controller. A controller is configured to randomly select a basic wagering game outcome from a plurality of basic wagering game outcomes. A gaming feature is also provided. In this gaming feature, an extra wager may be input in association therewith to increase an award for a selected basic wagering game winning outcome, a plurality of selected basic wagering game winning outcomes, or a selected group and related subgroup of basic wagering game winning outcomes.