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Sudoku Challenges is a logic-oriented, combinatorial digit-arrangement puzzle. The goal is to complete a 9 × 9 grid with numbers such that each column, each row, and each of the nine 3 × 3 sub-grids that make up the grid (also referred to as “boxes” or “blocks”) includes all the digits from 1 to 9. Each puzzle begins with a partially filled grid, which has a unique solution. Enjoy!
Tap a cell to choose it.
Tap a digit on the bottom row to insert it into the selected cell.
Utilize the eraser to remove the contents of the current cell.
Tap the Note button to activate the draft mode.
Use hints judiciously to uncover any cells.
### FAQ
What is the objective of Sudoku?
The aim of Sudoku is to fill a 9 × 9 grid with numbers so that every column, row, and 3 × 3 sub-grid contains all digits from 1 to 9 without repetition.
How do I select a cell in Sudoku?
To select a cell, simply tap on it.
What should I do if I make a mistake?
If you make an error, you can use the eraser tool to clear the current cell.
What does the Note button do?
The Note button activates draft mode, allowing you to jot down potential numbers for the selected cell without filling it in.
When should I use hints?
Hints should be used wisely to help reveal any cells when you are unsure of the next step or are stuck on a puzzle.
Last updated 2024-08-18 UTC.
