About Killer Sudoku #850
Killer Sudoku #850 was the puzzle for Friday, October 30, 2026, a medium one: a 9 × 9 grid in 30 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
Every day of the last 60 is in the puzzle archive.