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NineGaps is another one of those addictive puzzles that is not only entertaining but makes you sharper as well. If you are a fan of Sudoku, you are probably good at putting numbers in the right order to solve puzzles. With NineGaps , your goal is put to numbers from 1 to 9 in missing gaps, but there is a twist. You are going to have to pay attention to math operations between each field as well. So essentially, you are going to be tested for problem solving and math at the same time.


The game is really easy to get a handle of but the puzzles can get difficult to solve. There are 3 levels of difficulty and lots of puzzles to tackle. And you can keep track of your time so you know when you have set a new record with your puzzle. NineGaps is not only great for those who are looking to keep themselves sharp, it’s also great for anyone who’s interested in challenging their kids in the math department. If you are into iPhone puzzles and are looking for something different than Sudoku, NineGaps is worth a serious consideration.

Verdict: A-

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