The best online Sudoku crossword puzzles are waiting to be solved right now, respond player! This is a unique Ultimate Sudoku game with easy and difficult puzzles, lots of settings and cool graphics.
The time to play Ultimate Sudoku right now is in the free online version of the game. Train your brain in minutes!
Ironically, Sudoku is a number game, but does not require arithmetic knowledge from the solver. In fact, only logic will help in filling the grid. Ready to develop your ability to analyze with Sudoku? Have a nice game!
How to play Ultimate Sudoku
The Sudoku game is a square grid of 81 cells (9 rows and 9 columns), which is divided into nine squares with the same number of cells in each. Some cells are occupied by numbers from 1 to 9. These are solution tips, the more there are, the easier it is to find the answer.
Your task is to insert a number from 1 to 9 into each cell without repeating numbers in a row, column, or small 3×3 square.
Online Sudoku game offers free hints or a ready-made solution. But such help will completely deprive you of earned points. When solving Sudoku manually, you can choose the tactics of finding the most filled cells. Excluding impossible values will significantly narrow the field of searches.
Solving Sudoku by excluding values
With this approach, the selected cell is considered to be fixed. By elimination, throw in your mind any number, checking the values in the column, row and square. Grid analysis will show the remainder, which will be the correct answer.
Solving Sudoku by selecting cells
Here, we take any number as a given value, for example 5. For example, columns one and three in the grid are already occupied by the number 5, and column two is still not. We analyze which column includes the five and take a closer look at the cells without this number. The one that is free and will be the right decision.
Solve Sudoku right now, taking into account the fact that:
- no number can be repeated twice in a row, column, or subgrid;
- even the minimum number of starting hints guarantees one unique solution for each cell;
- you can look for hints.
Try to solve the puzzle online and come back again, every day. Because playing Sudoku gives more than entertainment with crossword puzzles or testing reflexes with Tetris. Japanese Sudoku crossword puzzles discipline the mind, teach you to look for the relationship of assumptions and conclusions, justify and find confirmation. Each Sudoku solution is a new reason to be proud of yourself.