Fresh printable puzzles every day
Build a sheet of one level covering today, or catch up on the last week, one to six puzzles per page, with an optional answer key at the back. Grids are drawn as line art so they come out of the printer crisp and use next to no ink.
Each puzzle is generated from a seed made of the date and the difficulty, so everybody who opens this page on a given day gets exactly the same four puzzles. Nothing is stored on a server — the generator runs in your browser.
Difficulty is not guessed from the clue count. A solver works through every puzzle the way a person would, and each level is defined by the techniques it actually needs. A Medium can never quietly require something from the level above.
Every puzzle is checked to have a single solution, so it can be finished by reasoning alone. Nothing here ever needs a lucky guess to come out right.
Arrow keys move, 1–9 place a digit, Shift plus a digit toggles a pencil mark, N switches note mode, H asks for a hint and Ctrl+Z undoes.