Using the grid displayed click on a square to turn it into a
white square, black square, or wildcard square.
Using Alt while clicking will disable symmetry.

Search Reset Grid Buy Me A Coffee ☕

Grids highlighted orange are puzzles rotated 90 degrees or mirrored horizontally. If you aren't finding something you like press Search again to get new results.

The following is an example of use. Press Reset Grid to start over.