Free Sudoku Games

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These free Sudoku games help train memory, math ability, and analytical thinking ability. "Sudoku" is a number puzzle game that has become very popular in recent years. To begin, click the Medium link under the picture at left. This opens the game in a pop-up window.

This Sudoku game includes thousands of puzzles, from easy to super hard. The controls are below the puzzle.

If you like this game, you might also enjoy my Daily Kakuro and KenKen pages.

Sudoku Game Instructions

HOW TO PLAY. The goal is to fill the 9×9 grid so that each column, each row, and each of the nine 3×3 boxes (also called blocks or regions) contains the digits from 1 to 9, only one time each.

The puzzle setter automatically displays a partially completed grid.

Click the black down arrow to select the difficulty of the game. You can pick "very easy", "easy", "medium", "hard", "very hard". Now you're ready to play! Click the right arrow if you want to load a new game. Click the round gear button to show the solution. Clicking the small clock pauses the game, and if you want to see all the instructions, simply click the question mark button.

Have fun!

Note: If you prefer to play on paper, see the Printable Sudoku page.

There is no question that playing free Sudoku games improves your focus and concentration.

Game distributed by Google Inc. as a free Google Gadget. Used with Permission.

FOR BEST RESULTS:  Sudoku is fun, but it is limited. To really improve your brain, join the Lumosity brain training service. I use Lumosity every day, and it works.

WHAT IT IS.  Lumosity has scientifically designed games that increase brain power. Each game trains a different skill such as memory, concentration, or mental speed. You play the games online in your browser.

A Lumosity session takes about 15 minutes per day. It is an effective, enjoyable way to keep your brain sharp.

Included free are customized brain training "courses" that boost core brain function (memory, attention, etc.) and peak performance (fluid intelligence, advanced memory). Other free, included courses are designed specifically for students and even medical conditions (ADHD, TBI, cancer recovery).

TRY FREE FOR TWO WEEKS.  Subscriptions to Lumosity cost about $7 per month. The first two weeks of the subscription is free but does require a credit card to limit free trials to one person.

Learn more about Lumosity online brain training

Give Lumosity a try for a week or ten days. Many people say it has changed their lives. Lumosity might just be right for you! If for some reason it's not, cancel during the free trial and it won't cost you anything.

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