Sudoku Original,Sudoku Classic

Sudoku is a brain training game, increasing thinking.

- Different level questions

- Very interesting game

- Let's experience it now!

What's New in the Latest Version 2.4.2

Last updated on Jun 21, 2024

Minor bug fixes and improvements. Install or update to the newest version to check it out!

Objective:

Fill a 9x9 grid with numbers from 1 to 9, following specific rules, to complete the puzzle.

Rules:

* Each row, column, and 3x3 block must contain all the numbers from 1 to 9 without repetition.

* The numbers must be placed in the empty cells, known as "givens."

* Some cells are already filled in, providing clues to solve the puzzle.

Logic and Strategy:

Scanning:

* Scan the rows, columns, and blocks to identify the missing numbers.

* Look for cells that have only one possible number based on the numbers already present in their respective row, column, and block.

Elimination:

* Eliminate numbers that cannot be placed in a cell based on the numbers already present in the row, column, or block.

* For example, if a cell is in the same row as a given 5, then the cell cannot contain a 5.

Intersection:

* Look for cells that are in multiple rows, columns, or blocks.

* Use the numbers present in the intersecting rows, columns, or blocks to narrow down the possible numbers for the cell.

Hidden Pairs:

* Identify two cells within a row, column, or block that can only contain the same two numbers.

* Eliminate those two numbers from all other cells in the same row, column, or block.

Naked Pairs:

* Similar to hidden pairs, but the two cells are adjacent to each other.

* Eliminate the two numbers from all other cells in the same row, column, or block.

Trial and Error:

* Sometimes, logical deductions are not enough to solve a puzzle.

* Make educated guesses and eliminate incorrect options until the correct solution is found.

Tips:

* Start with the rows, columns, or blocks with the most givens.

* Focus on eliminating numbers rather than placing numbers.

* Use a pencil and eraser, as you may need to make changes.

* Take breaks and come back to the puzzle with a fresh perspective.

* Practice regularly to improve your skills.

Sudoku Original,Sudoku Classic

Sudoku is a brain training game, increasing thinking.

- Different level questions

- Very interesting game

- Let's experience it now!

What's New in the Latest Version 2.4.2

Last updated on Jun 21, 2024

Minor bug fixes and improvements. Install or update to the newest version to check it out!

Objective:

Fill a 9x9 grid with numbers from 1 to 9, following specific rules, to complete the puzzle.

Rules:

* Each row, column, and 3x3 block must contain all the numbers from 1 to 9 without repetition.

* The numbers must be placed in the empty cells, known as "givens."

* Some cells are already filled in, providing clues to solve the puzzle.

Logic and Strategy:

Scanning:

* Scan the rows, columns, and blocks to identify the missing numbers.

* Look for cells that have only one possible number based on the numbers already present in their respective row, column, and block.

Elimination:

* Eliminate numbers that cannot be placed in a cell based on the numbers already present in the row, column, or block.

* For example, if a cell is in the same row as a given 5, then the cell cannot contain a 5.

Intersection:

* Look for cells that are in multiple rows, columns, or blocks.

* Use the numbers present in the intersecting rows, columns, or blocks to narrow down the possible numbers for the cell.

Hidden Pairs:

* Identify two cells within a row, column, or block that can only contain the same two numbers.

* Eliminate those two numbers from all other cells in the same row, column, or block.

Naked Pairs:

* Similar to hidden pairs, but the two cells are adjacent to each other.

* Eliminate the two numbers from all other cells in the same row, column, or block.

Trial and Error:

* Sometimes, logical deductions are not enough to solve a puzzle.

* Make educated guesses and eliminate incorrect options until the correct solution is found.

Tips:

* Start with the rows, columns, or blocks with the most givens.

* Focus on eliminating numbers rather than placing numbers.

* Use a pencil and eraser, as you may need to make changes.

* Take breaks and come back to the puzzle with a fresh perspective.

* Practice regularly to improve your skills.