Sudoku is a wonderful way to challenge your brain. According to a study in the Journal of the American Geriatrics Society, memory training (like Sudoku) is great for improving cognitive functioning.
We’re Sudoku lovers, too, and have found five excellent options for both online Sudoku and printable Sudoku.
1. Printable Sudoku
This free, easy-to-download and printable Sudoku puzzle has various levels from easy to extreme. The site also offers large print puzzles with bold letters for easy reading, and blank grids for note taking. Grandkids coming over? There are kids’ puzzles to help sharpen their developing brains.
2. 247 Sudoku
This site has hundreds of Sudoku puzzles with varying degrees of difficulty, and is a great one to go back to throughout the day when you need a break from work or errands. If you’re a beginner, start with the easy ones, and work your way up. You also have the option to download the game to your computer with one easy click.
3. Sudoku Kingdom
This site offers freebies at the end of each month: users with higher scores are randomly selected to receive free Sudoku ebooks. Register for free and you can participate in the monthly ranking table. If you prefer to do the figuring by hand, you can also print the daily Sudoku puzzles.
4. Sudoku Killer
This app is specific to iPhones and iPads. Features include a note keypad to make entering notes easy, and mistake highlighting to correct mistype entries. The app offers ten free Sudoku puzzles (which will keep you busy for quite a while), with thousands of others available for purchase.
5. Killer Sudoku
You’re past the intermediate and advanced levels and basking in the glory of achieving the highest score you’ve had in a long time. Is it time to call it quits, or is it time to press on? If you’re yearning for a new kind of Sudoku puzzle fix, this version will do the trick. This game incorporates two new rules: the sum of all numbers in the cage must match the small number printed in its corner, and no number can appear more than once in a cage.
Good luck!
