Killer sudoku is similar to the other levels in that each of the numbers 1-9 must fit into each 9-by-9 square. No number can ...

That’s not entirely relevant, but it’s also the name of a puzzle format created by legendary Japanese puzzle publisher Nikoli ...

Now, let's delve into solving the Cool! crossword clue, featured as 37 Across in the USA Today Crossword on July 2, 2025.

Killer sudoku is similar to the other levels in that each of the numbers 1-9 must fit into each 9-by-9 square. No number can ...