Sudoku classic

Quarzo Apps

Contains adsIn-app purchases

About this game

A classic game!
To solve the game you must complete the puzzle by filling in all the numbers (from 1 to 9) so that each digit does not repeat in the same row, column or block.
This app will become your favorite Sudoku game.

WAIT!, THERE'S MORE!
Includes cool color themes, with a night mode theme.
You are able to change the letter font.
Win trophies by solving each daily sudokus.
Customize the game UI depending on your expertise

【 HIGHLIGHTS 】
✔ Minimalist, simple and fun game.
✔ 7 difficulty levels
✔ Many customizable aids
✔ Full game is free, with very few ads (no ads while playing)
✔ Exercise your brain and relax solving suokus!
✔ Beautiful and simple user interface (portrait and landscape)
✔ Compatible with all devices including tablets
✔ Includes sounds (can be disabled) and images in HD
✔ Infinite Sudoku generator
✔ No intrusive permissions

【 CUSTOMIZATION 】
You can customize some features of the game (from the settings option):
* Play or mute the sounds.
* Language.
* Animations
* Device orientation.
* Full screen or not

【 DIFFICULTY LEVELS 】
◉ 1 - Very easy : Suited for people learning how to solve Sudoku.
◉ 2 - Easy : Recent studies show that playing Sudoku helps elderly people memory. Just do it!
◉ 3 - Intermediate : You will be able to finish Intermediate level games using basic techniques: Hidden singles and Naked singles.
◉ 4 - Hard : This puzzles need to use some intermediate techniques: Pointing pairs, Naked pairs, etc.
◉ 5 - Expert : This are intended for advanced players that can combine many intermediate strategies.
◉ 6 - Extreme : To solve this grade puzzles you'll need to use some advanced strategies: X-Wing, Y-Wing, Swordfish, etc.
◉ 7 - Nightmare : Only pro players will be able to finish this games. This is a real challenge. Maybe you'll need some luck to solve it :)
All Sudoku have only ONE possible solution.
◉ 8 - Grandmaster: This are considered the hardest sudoku to complete. Will you be able to succeed?

All sudokus have only ONE possible solution.
Just one more thing...
ENJOY !!!

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Any suggestion or bug report is welcome. Please, before writing a bad review contact us by email at [e-mail]

Ratings and reviews

It just works. The only time I got mad at it was when I hit the hint button on accident, but there's a menu option to turn them off. I suspect that one of the puzzles on the diabolical difficulty is actually impossible, but either it is impossible and the developer put it in there to mess with us, or it is possible and I'll have to get better to figure it out. Either way I like it.

An all around great game. Just a minor issue: the option to count the remaining amount of squares to be filled with each of the numbers, the counter only decreases when filling a square with the correct number, telling the player wether they made a mistake or not. I want to believe that is not the intended behavior for the remaining numbers' counter. At the moment I'm forced to turn the counter off. Correctly it should go down even when mistakes are made IMO.

I have tried a few Sudoku grids, but this one is the best, so far. What I love most, is the grids and the numbers, are big, as well as it goes dark mode. This makes it easier on the eyes, as I do not have to strain to see the 'notes', nor squint against the glare of the page. Thank you for an awesome experience...this morning, alone, I have cracked the 'Diabolical' 4 times, in under 15 minutes, each time.

What's new

♥ Thank you for your support and comments! +500 000 Downloads !!!
◉ NEW: Now you can color the candidate numbers, for techniques like medusa 3d.
◉ 8 Difficulty Levels!
◉ Pause button.
◉ Sudokus history.
◉ Editor! ✏
◉ Solve the daily Sudoku and win trophies.
◉ Train your logical brain.
◉ Infinite puzzle generator.

Any suggestion or bug report is welcome.
Please, before writing a bad review contact us by email at [e-mail]