Description
Instructions: Use your mouse to play this game.
Ultimate Sudoku is the familiar number puzzle, offered at easy, medium and hard difficulty. The grid needs filling so that each row, column and section ends up holding the digits 1 to 9.
Hints and other tools are there for when you hit a wall, which helps anyone new to sudoku. You fill in the digits with the mouse, or play on a phone or tablet. More number puzzles are in Numbers.
Sudoku rules
Each row, column and section of the grid must end up containing the digits 1 to 9, with none repeated. As in any sudoku, a few digits are printed in advance, and logic fills in everything else. If you get stuck, a hint can point you in the right direction.
Solving smarter
- Start with rows or sections that already have many digits filled in.
- Look for the only place a digit can go in a section.
- Begin in easy mode to get used to the tools before moving up.
Game details
- Platforms
- Desktop, Mobile, Tablet
- Categories
- 1 Player, Mobile Games, Numbers, Puzzle
- Rating
- 86.32% (95 votes)
- Times played
- 14.524
Games in the Ultimate Sudoku series
Frequently asked questions
What difficulty levels does Ultimate Sudoku have?
It has easy, medium and hard modes.
Does Ultimate Sudoku offer hints?
Yes, there are hints plus a few other aids.
How does a sudoku grid work?
Each row, column and section must end up with every digit from 1 to 9 exactly once.