Here is this week’s thinking challenge. Remember when you were little and you had to solve the “Spot the Differences” puzzles? I stumbled across one in my hunt for a new puzzle this week and decided adding one might be fun. After thinking about it a little more, I realized these kinds of puzzles are a great example of using the Focus/Defocus heuristic. If you are not familiar with using heuristics in your testing, read more here. Enjoy the puzzle!

How many differences can you spot between the two pictures? Be sure to look carefully.

I will not be posting answers to the games and puzzles on my site. Email me if you think you have the answer. I really enjoy hearing from everyone who takes on these challenges!

Do you know of a great game or puzzle that you would be willing to share? Email me your suggestion and if I use it on my blog I will credit you for the submission. Thanks in advance for sending me your suggestions!

Puzzle Difficulty Rating: [ratings]

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