It’s been less than ten days since Prime Minister Lee Hsien Loong released a Sudoku solver that he personally coded in C++ on his Facebook page — thereby proving just how awesome he is — but Dr Vivian ...

Daily puzzlers would be quick to tell you that sudoku, Wordle’s mathematical cousin, is not as easy as it looks. The small grid, found often next to a word scramble or comic strip in a print newspaper ...

Get started solving the classic number puzzle with tips from some of the best solvers in the world. By Isaac Aronow Everybody can solve a hard Sudoku. Maybe not right now, maybe not without some ...