Sliding Puzzle

Play:  Small | Medium | Large

The sliding puzzle has been around for years. But I've always found it a really hard puzzle to complete. This game trains logical reasoning skills. To begin, click the Medium link under the picture at left. This opens the game in a pop-up window.

As a kid, I used to break the numbers out and reset them to get the completed puzzle. With this game, all you have to do is click the Solve button to see the solution.

HOW TO PLAY. Click the "Scramble" button to mix up the numbers. The goal is to get all the tiles back in order, 1 through 15 (left to right on each row). Use the mouse to grab the tile you want to move, then drag it to the open square.

If you get close but decide to give up, click the "Solve" button to see the computer solve the puzzle step by step. It's fascinating to watch. And by watching the computer you might learn a trick or two on how to solve puzzles like this!

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

FOR BEST RESULTS:  The Sliding Puzzle 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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