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© 2005 ThinkFun Inc.

Use the Java applet (above left) to solve the puzzle, clicking on a token, then clicking again on the square in the grid where you think the token goes. Then, once all nine squares are filled, click the submit button to check whether your answer is correct.

Positive clues show patterns that are present in the grid. Negative clues show patterns that are not present in the grid.

If you're not sure of the color but are sure of the shape, use the gray tokens as temporary markers in the grid. If you're sure of the color but not sure of the shape, used the colored square outlines.

If you are sure that a certain shape of a certain color doesn't belong in a certain square, you can click that token, then right click on the appropriate square in the grid to show that this token doesn't belong there. You can also do this for a color or a shape. Just select the appropriate color square or gray shape, then right click on one or more of the squares that are "out of bounds." The next time you click on a given token, the grid will show which squares remain open to that token.

Based on the game GridWorks™, a new product from the folks at ThinkFun. For additional GridWorks challenges, go to http://www.puzzles.com/products/gridworks.htm.

NOTE: To play this game, your Web browser must be able to run Java applets. This applet runs best on Netscape, Firefox, Opera, and some versions of Internet Explorer.

Java applet created by Eric Peterson, 18, Washington, D.C.

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GridWorks

In this game, you have nine tokens, three marked with Xs, three with circles, and three with triangles. Each member of a set of three has a different color: blue, green, or yellow. Using the clues shown below, your goal is to place all the tokens in the right locations on a 3-by-3 grid.

 

 
 

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