By Buzzers

Crosswords / Guardian Crossword - 1 day ago

Observer killer sudoku

Click here to access the print version. Normal Sudoku rules apply, except the numbers in the cells contained within grey lines add up to the figures in the corner. No number can be repeated within each shape formed by grey lines. Continue reading...

Crosswords / Guardian Crossword - 1 day ago

Observer sudoku

Click here to access the print version.Fill the grid using the numbers 1 to 9. Each number must appear just once in every row, column and 3x3 box. Continue reading...