Patent ID: 8202152

Claim:
A method comprising: determining, by a lottery controller, a first partial lottery outcome corresponding to a lottery entry in a multi-round lottery game, wherein the lottery entry comprises a first lottery number corresponding to a first round of the multi-round lottery game and a second lottery number corresponding to a second round of the multi-round lottery game, wherein determining the first partial lottery outcome comprises drawing at least one lottery number in a lottery drawing and comparing the at least one drawn number to the first lottery number, wherein determining the first partial lottery outcome does not comprise comparing the at least one drawn number in the lottery drawing to the second lottery number; determining, by the lottery controller, a first redemption value for the lottery entry based on the first partial lottery outcome; prior to revealing a second partial outcome for the multi-round lottery game after revealing the first partial lottery outcome, receiving, by the lottery controller, an indication of a request of a player to redeem the lottery entry for the first redemption value in exchange for cancelation of the lottery entry with respect to subsequent partial lottery outcomes; authorizing, by the lottery controller, providing the first redemption value to the player; and cancelling, by the lottery controller, the lottery entry with respect to subsequent partial lottery outcomes.