If Cognito is completed without using any clues for any puzzle, it will play the last puzzle endlessly.

Although not visible in the show, after the first series there was in fact a lengthy delay (15 minutes or more) between a player being sent into one of the puzzle chambers and them actually beginning to play the puzzle.

If you play the puzzle on-line you will be able to link to additional information provided by Moneyopolis (www.moneyopolis.com), Ernst & Young's math education site.

Pirates who have jobs can contribute their labor to a shop without playing the puzzle, although they must play occasionally to keep their ratings from going dormant.

For one thing, Bornstein equates playing the puzzle to being in a maze - in a good way.

If your browser supports Java, you can play the puzzle on-line,or you can print an image of the puzzle to play with pencil and paper.

To begin playing and solving the puzzle, the user grasps the metal ring on the puzzle and rotates it, allowing the red 1 triangle to pop out of the puzzle and letting the user move the other pieces around.

You could spend a lifetime at this game and never play the same cute puzzle the same way twice!

Twice a month you can play a new crossword puzzle on The New York Times Learning Network.