Today's NYT Midi Crossword is live, and Saturday's grid brings a 10x10 puzzle built around a coffee-movie meta-narrative that ties together half the clues. A running joke about filming a coffee movie ...

Sudoku is one of the most popular puzzle games of all time. The objective of Sudoku is to fill a 9-by-9 grid with digits from 1 to 9 such that each column, row, and box (or called "subgrid", "region", ...

Most sudoku generators start with a completed sudoku grid and remove numbers one at a time, using a backtracking algorithm to stop once the puzzle becomes unsolvable. This process is too slow to be ...