About Killer Sudoku #841
Killer Sudoku #841 was the puzzle for Wednesday, October 21, 2026, a medium one: a 9 × 9 grid in 29 cages, with no given digits. Everyone who played Killer Sudoku that day got the same puzzle, and it stays here to play for 60 days.
New to Killer Sudoku? The rules, tips and common questions are on the Killer Sudoku page, and How to Solve Killer Sudoku Puzzles goes into strategy.
Other days of Killer Sudoku
- Killer Sudoku #844, Oct 24
- Killer Sudoku #843, Oct 23
- Killer Sudoku #842, Oct 22
- Killer Sudoku #840, Oct 20
- Killer Sudoku #839, Oct 19
- Killer Sudoku #838, Oct 18
- Today’s puzzle, #851
Every day of the last 60 is in the puzzle archive.