Fewer givens
Hard sudoku puzzles
Hard mode removes more starting digits. Use notes. Expect to hunt hidden singles and pairs instead of filling the grid in one pass.
Wednesday, September 9, 2026 · hard
0:00
What “hard” means here
More holes in the grid, and the generator checks that punching a hole does not create a second solution when it can.
Questions
- Can I switch to medium mid-puzzle?
- Yes, but medium is a different board for the same date, not this grid with more clues.