Sudoku 16x16 Hard

Features of large Sudoku 16x16

On the current page of our website, you can play the difficult level of large Sudoku for free. The 16 by 16 puzzle will make your brain work actively and engage your logic to the fullest.

The game grid is 16 by 16. Some cells are filled with numbers, and the player needs to fill in the rest. The rules for large Sudoku are similar to classic Sudoku.

We want to point out that the current Sudoku only accepts numbers. And for each correct move, the player receives 50 points. In total, you can collect 7000 points in one game.

How to Play Sudoku 16x16 Hard? 

To solve such a puzzle, you will need knowledge of most Sudoku techniques. This level is intended for advanced users who enjoy challenging tasks. Here are some tips on how to play difficult 16x16 Sudoku more easily:

• Start by traversing all the numbers one by one; there may be cells with obvious single values.
• If in a 4 by 4 square there are only 2 cells that can take the same number, be sure to fill in these cells with notes containing those numbers.
• If you see in an additional block in one row or column identical candidates, then these numbers can no longer be candidates in the current row or column.
• If two numbers can be in two cells that are in the same row or column in a 4 by 4 square, then they can no longer be in other cells in that row or column.
• Look for cells that can take as few values as possible. Fill in these cells with notes and draw logical conclusions from them.