Patent ID: 7857692

Claim:
A digital video disc (DVD) storing content in a DVD video format for presentation by a human-perceivable presentation device, said content in the DVD video format comprising a plurality of puzzles and a control program for controlling the operation of a DVD video player such that said plurality of puzzles are randomly selected for presentation by said human-perceivable presentation device without repeats until all of said plurality of puzzles have been selected and without tracking those puzzles already selected; wherein said control program includes a plurality of instruction modules; wherein said instruction modules include an initialization module for preparing the DVD player for playing the DVD; wherein said initialization module includes an initialization routine for determining if the DVD video player has a faulty random number generator; and wherein said instruction modules include a selection module for interacting with a user to select a set of predetermined initialization values when the initialization routine determines that the random number generator of the DVD video player is faulty.