Patent ID: 7291066

Claim:
A method performed in a gambling game comprising: displaying an array of symbols in a base game at symbol positions having at least one row and a plurality of columns; detecting a trigger event that enables a bonus feature; converting a plurality of the symbols displayed to a plurality of displayed award values located at the symbol positions such that a player sees all the award values; randomly selecting, by a computer, at least one of the values from the displayed award values but not all of the displayed award values; and awarding a player a bonus award based on the randomly selected at least one of the values, wherein detecting a trigger event comprises detecting one or more special symbols displayed in the base game, wherein randomly selecting at least one of the values comprises changing values in a column in which a special symbol is located, and wherein awarding a player a bonus award comprises awarding a player a bonus award based on a value appearing in the position of the special symbol after the values have stopped changing.