A domino-laying Sudoku puzzle
Masonry is a free daily domino puzzle. You lay a set of dominoes on a square grid so that every row and every column holds each number exactly once. A few printed pips and joined squares on the board are your clues, and there's only one way to fill it.
Yes. The puzzle is generated from the date, so everyone gets the same board each day.
Yes. Every puzzle has exactly one way to fill the numbers, and the clues are chosen to make that so.
On any two empty squares, yes, even a wrong spot. You can't put it on top of another domino, and set dominoes with a dashed edge can't be moved.
No. Masonry is free and runs in your browser. Sign in to appear on the daily leaderboard.