Patent ID: 7311599

Claim:
An instant-win lottery game ticket having an associated pre-determined game outcome, comprising: a substrate; a game play area located on the substrate and visually indicating the associated pre-determined game outcome; a first optically machine-readable code located separate and apart from the game play area on the substrate, the machine-readable code including a first piece of authentication information; a second optically machine-readable code located on the substrate, the second machine-readable code including a second piece of authentication information; a removable opaque covering applied to the substrate, the removable opaque covering concealing the game play area and the second machine-readable code; and wherein the first machine-readable code is not concealed by the removable opaque covering, and wherein both the first piece of authentication information and the second piece of authentication information are required for authenticating the game tickets, and wherein the associated pre-determined game outcome is independent of which portions of the removable opaque covering are removed from the game ticket.