A lottery game incorporates player direction in determining the outcome of the game and allows a player to reveal one or more elements in a lottery game area according to rules associated with the lottery game. According to one embodiment of the invention, the player may expose initially any element...http://www.google.fr/patents/US8042809?utm_source=gb-gplus-shareBrevet US8042809 - Lottery game card and method for conducting a lottery game
Lottery game card and method for conducting a lottery game
