The Home of Perfect Sudoku and other puzzles
I’ve prepared something special for Saturday’s puzzle, for two reasons: it’s a weekend and also it’s October 1 and I want to start with something brand new in October! It’s another variation of Killer Sudoku’s that I have never seen…
Hmm, I might have overdone today’s puzzle… Maybe it was a little bit too hard? Any thoughts? Anyone solved it without using Perfect Sudoku? ANYONE? Anyhow, I promise tomorrow’s daily puzzle will be somewhat easier. Don’t give up! It’s a…
As promised, today I’m posting something that I haven’t seen anywhere on the web – a diagonal Samunamupure. As far as I know it’s a world premier of this kind of puzzle – and you have the privilege to be…
This tip is probably the most important solving technique of Killer Sudoku, one that will save you a lot of time. It does involve some math, but very simple one. Basically, the whole story is that you have to bear…
Ok I know that not everybody is good with math so here is a little tool that you could use to figure out different combinations of digits that could go into a ‘cage’. First enter the cage sum displayed in…
The following list contains ALL possible cage sums that have only one solution for the corresponding number of cells in the cage. You may use this list to help you solve Samunamupure puzzles: doubles 3=1+24=1+316=7+917=8+9 triplets 6=1+2+37=1+2+423=6+8+924=7+8+9 quads 10=1+2+3+411=1+2+3+529=5+7+8+930=6+7+8+9 5…
I just realized that there is no reason why a Samunamupure could not also be diagonal. So, in the next version you will have an opportunity to create a diagonal Killer Sudoku! In the meanwhile, I will post one such…
As of today, Monday September 26, I will be posting a new Samunamupure puzzle every day (well, don’t mind if I miss a day from time to time)! Check the “Daily Samunamupure” page for a unique, randomly generated puzzle. It…
As promised, you can now download Perfect Sudoku v0.2. Changes are all related to the user interface: instead of the drop-down boxes, now you select values for different boxes by clicking on the items on the left. Also, pencil marks…
I recently learned about the new “mod” to Sudoku puzzles called Samunamupure… It’s so cool! I’ve already started working on implementing my own generator of Samunamupure puzzles and you can soon expect a new version that will allow you to…