Abstract: A game system comprises an instant win first game based on the purchase of a game ticket which is a win ticket or a lose ticket, and at least one game console which is initialized by a win ticket to participate in at least one second game, for example a video game, displayed on the game console and executed under the control of a remote computer at a central site.

Abstract: A portable box comprises memory able to store at least one item of reference data, and a comparator able to compare the said reference data item with an item of game data input by the player via a communication interface, one of these two data items being a value generated in a random way. An item of win information dependent at least on the result of the said comparison is stored in the memory, and box encryption structure are able, in response to a predetermined item of payment request information (IDP) received, to establish a first encrypted win value from the said win information item. A station, external to the box, comprises a system input/output interface able to cooperate with the interface of the box, and system processing structure, able, in the presence of a payment request originating from the player, to read the said win information item contained in the memory of the box.