Logic puzzles have been popular for as long as we can remember, and they're a great way to have some fun with your kids while using your brain and staying away from a screen. Print out a few for a ...

The logic puzzle has simple rules, and is easy to learn. ... Sudoku is defined by Merriam-Webster as a 9-by-9 grid puzzle in which the grid is divided into 3-by-3 boxes.

Sudoku is a logic puzzle. You fill numbers into a grid, using deduction (or, failing that, plain old trial and error). Each row and column must contain the digits 1 through 9, with each digit used ...

Thomas Snyder (aka Dr. Sudoku) is a two-time World Sudoku Champion and five-time US Puzzle Champion, as well as the author of several books of puzzles. His puzzles are hand-crafted, with artistic ...