Researchers from the University of Colorado tested the trustworthiness of several AI models with games of Sudoku. It didn't go so well.

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 ...

Find answers to the latest online sudoku and crossword puzzles that were published in USA TODAY Network's local newspapers.

Sudoku is a logic-based number puzzle played on a 9x9 grid, divided into nine 3x3 subgrids. The goal is to fill the grid so ...

Find out what today's Strands answer is for game #520 and get some hints for it. You might need them! Plus see the solutions to yesterday's game.