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About game
— Three levels of complexity: Easy, Medium and Hard.
— Learning mode with detailed rules and basic techniques.
— Number indicator: you can tap a number to show all its occurrences on the board.
— User-friendly interface: convenient to play on phones, tablets and computers.
— Coin and reward system for finishing games.
— Optional hints after watching ads: correct errors or reveal a random digit.
How to play
1. Choose a level of complexity in the game menu.
2. Tap on a vacant square in the 9x9 grid.
3. From the bottom panel that opens, pick a digit from 1 to 9 or press "ERASE".
4. Keep in mind the Sudoku principles: each number should appear only once in every row, column, and 3x3 section.
5. Make use of the highlighting tool: tap on a number already on the grid to see all its duplicates highlighted in blue.
6. Beginners can opt for "TUTORIAL" mode, which explains fundamental logic methods.
7. Complete the grid accurately to earn a reward and proceed to the next level.