Sudokus
Sudoku-X
Cage-Sum (aka Killer) Sudokus
Downloads
Christmas Puzzles
Bedford (UK) Chess
Cage-Sum (aka Killer) Sudokus - Easy (top), Medium (middle), Hard (bottom)
Here are some sets of three so-called Killer
Sudoku puzzles. The Downloads
page offers a free Windows-compatible Player program for Killer Sudoku
puzzles, as well as downloads of the puzzles featured here.
The puzzles sound as if they are particularly difficult, but may range from very simple to fiendish. Indeed the name stems from an Anglicised form of the Japanese for "sum", "number" and " place" .
In these puzzles there are a series of cages, meshes or linked groups of squares, each containing a small number. (Sometimes the groups are shown in different colours but more normally they are shown, as here, with dotted outlines).
.................
As usual, one must fill in the squares with the digits 1 to 9 in such a way that each symbol appears once in each column, row and 3 x 3 mini-box. In addition, the sum of all digits within each linked group must add up to the small number within the linked group of squares. By convention, no repetition of digits is allowed within a linked group. A corollary of this is that a linked group can never link more than 9 cells (and the sum of contained digits is then 45). Some examples of my puzzles involving linked groups containing 9 squares each are included amongst these sets of puzzles.
Pick Puzzle Set
The puzzles sound as if they are particularly difficult, but may range from very simple to fiendish. Indeed the name stems from an Anglicised form of the Japanese for "sum", "number" and " place" .
In these puzzles there are a series of cages, meshes or linked groups of squares, each containing a small number. (Sometimes the groups are shown in different colours but more normally they are shown, as here, with dotted outlines).
.................
As usual, one must fill in the squares with the digits 1 to 9 in such a way that each symbol appears once in each column, row and 3 x 3 mini-box. In addition, the sum of all digits within each linked group must add up to the small number within the linked group of squares. By convention, no repetition of digits is allowed within a linked group. A corollary of this is that a linked group can never link more than 9 cells (and the sum of contained digits is then 45). Some examples of my puzzles involving linked groups containing 9 squares each are included amongst these sets of puzzles.
Pick Puzzle Set