Add Yahoo as a preferred source to see more of our stories on Google. Daily puzzlers would be quick to tell you that sudoku, Wordle’s mathematical cousin, is not as easy as it looks. The small grid, ...

An augmented reality Sudoku-solving app that only works with completely empty puzzles might be kind of pointless, but it definitely serves as an impressive demonstration of just what can be done when ...

Many people play games like Sudoku to relax, but for one patient this visual-spatial task triggered reflex epilepsy in a case study published in JAMA Neurology. Many people play games like Sudoku to ...