Sudoku Master's built-in Guidelines and Temp Number features are useful tools to help you when you become stuck. Using Guidelines and adding Temp Numbers is a simple matter of pressing a button or tapping on the touch screen.
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Search for missing numbers within the Guidelines
Look at the picture on the right and try to work out which number should go in the highlighted box. It’s simple, isn’t it? The only number not placed in the Guidelines is a 1. Therefore, the answer is 1. In the same way, you can determine that the number that goes in the box on the top left of this block should be a 9. |
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Use temp numbers when you can’t decide
Now look at the box on the bottom right side of this block. You can’t narrow down the answer to a single number here, so you should enter the two possibilities, 5 and 3, as temp numbers in the same box. Your temp numbers appear as small red numbers inside the box. In situations like this, temp numbers come in very handy! |
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Solving one cell can lead to another
Now look at the bottom left box in this block. Because you solved the upper left box with a 9, you can see that a 3 must go here. Therefore, the box you listed with the temp numbers 3 and 5 must be a 5! The last box in the middle must therefore be a 7, and the block is done! |
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