There is provided a lottery game with a supplemental game. The player plays the lottery game by selecting a plurality of numbers and the player also has the option of playing the supplemental game. The lottery authority selects a set of winning numbers for the lottery game and also selects a set of supplemental...http://www.google.se/patents/US7824257?utm_source=gb-gplus-sharePatent US7824257 - On-line lottery game in which supplemental lottery-selected indicia are available for purchase