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Welcome to the home of Mystery Master, the ultimate logic puzzle solver! Logic puzzles, also known as logic problems or logic grid puzzles, are in magazines by Dell Magazines and Penny Press. I have over 100 logic puzzles which range from one star (easy) to five stars (genius). You can solve any logic puzzle on your own, or with a little help.

While most of my logic puzzles were created by others, my goal is to create a program that can solve any logic grid puzzle. To help achieve this goal, I ask that you become a member. Membership is free, but I hope it will lead to more involvement. Many puzzles still need their JavaScript modules. This is how the puzzle can be solved within the browser. As of 2020-11-06, I am working on a batch of them. See the "Change Log" for the list.

The HQ page offers a series of YouTube videos and articles that explain various aspects of logic puzzles. My first article "Model a Logic Puzzle in JavaScript" has been published by CodeProject. Here is my page of favorites. Click on the Fun button to show/hide the main image(s) on a page.

There is a older version of the Mystery Master application I wrote in Java for Android devices. I recommend you use the better (and newer) JavaScript version I have for most (and hopefully soon to be all) puzzles on my website. But if you insist, you can find my app in the Google Play store. The app is free, and contains about 60 puzzles.

If you have questions/comments, email me at Take a look at the sitemap to learn more about my website. And please consider making a donation to show your appreciation. Thank you.

My other websites: Logic Puzzler is my digital persona. MathBin is for math (even has some Mathematica). Leftover News is my humorous view on Trumpland shenanigans.

Thank you for visiting my website! Michael Benson (November 12, 2020)

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