Patent ID: 8206208

Claim:
A computer-implemented method for conducting a lottery wagering game, comprising: with a central host computer in communication with a plurality of lottery terminals via a network, performing the following: receiving a first wager fee from players for entry in a primary game; offering to the players in the primary game the option to pay a second wager fee for a chance at a first multiplier factor that increases the prize award for winners of the primary game; offering to players in the primary game the option to pay a third wager fee for a chance at a second multiplier factor, the second multiplier factor combining with the first multiplier factor in a function to determine a final multiplier factor that is applied to the prize award for winners of the primary game; wherein the primary game is conducted and the prize award in the primary game is granted to winners of the primary game regardless of whether or not the players opted for the first or second multiplier factors; and wherein the combination function for determining the final multiplier factor is randomly generated from a field of possible functions at the time of conducting the primary game such that players who have wagered on the first and second multiplier factors are not aware of the final multiplier factor until the primary game is conducted.