US Patent 7686685 Wagering game having player selection features having reduced volatility index

A method for conducting a wagering game on a gaming terminal comprises displaying a plurality of player-selectable elements that initially mask a value, at least one of the player-selectable elements comprises an end-game outcome having a variable value, and in response to a player selecting one of the player-selectable elements that is not the end-game outcome, revealing the value of the selected one of the player-selectable elements and decreasing the value of the end-game outcome.