The Guardian presents Killer Sudoku 1,028, a challenging variation of the classic puzzle. Normal sudoku rules apply, but with an additional constraint: the numbers in cells enclosed by dotted lines must add up to the figure shown in the corner of each shape. No number can be repeated within any shape formed by dotted lines.
How to Access the Puzzle
The print version of Killer Sudoku 1,028 is available online. To see the completed puzzle, readers must purchase the next issue of the Guardian for puzzles published Monday through Thursday. Solutions for Friday and Saturday puzzles are provided in either Saturday's or Monday's edition.
Explore More Puzzles
This puzzle is part of the Life and style section's Sudoku collection. Readers can find additional sudoku puzzles and other brain teasers in the Guardian's puzzle archive.
