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, suitable for children and adults. ✔ 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 children or 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 !!! -------------------- Any suggestion or bug report is welcome. Please, before writing a bad review contact us by email at hola@quarzoapps.com