ナンプレ道場

"Sudoku Dojo" is a full-fledged brain training app that lets you enjoy 1,000 high-quality Sudoku puzzles. Beginners and advanced players alike can enjoy the puzzles at their own pace.

■ 1,000 Carefully Selected Puzzles
Includes 250 puzzles at each of four difficulty levels: beginner, intermediate, advanced, and expert. New puzzles are available every day.

■ Intuitive Controls
Simple tapping controls. Incorrect numbers are highlighted for immediate detection.

■ Notes
You can write possible numbers in small letters in each square. This is an essential feature for solving difficult puzzles.

■ Undo/Redo
Don't worry if you make a mistake. You can undo and redo as many moves as you like.

■ Hints
If you get stuck, you can use hints to find the correct answer. The first three attempts are free, but after that, you can watch the video to get additional hints.

■ Timer and Pause
Automatically measures your solution time. Pause to hide the screen if you want to take a break.

■ Auto-Save
Even if you close the app midway through, you can continue playing the next time you launch it.

■ Highlight Feature
Duplicate numbers, rows, columns, and blocks, as well as errors, are color-coded to help you solve the puzzles.

■ Statistics Feature
Detailed statistics are recorded, including the number of cleared puzzles, the clear rate for each difficulty level, average time, and number of consecutive play days.

■ Achievement System
14 different achievements are available. Completing them earns experience points and levels up.

■ Level/Rank System
Earn experience points by clearing puzzles and rank up from "Apprentice" to "Assistant Master."

■ Sound Effects
Sound effects are played when you enter numbers or complete a puzzle (can be turned on/off in settings).

■ Ad Removal Option
In-app purchases allow you to completely remove ads and unlock unlimited hints.

[4 Difficulty Levels]

・Beginner: Fewer empty spaces, so solving is possible with basic techniques.
・Intermediate: Use the memo function to solve puzzles that require careful consideration.
・Advanced: Requires a combination of multiple techniques. Highly Challenging
・Expert: A collection of challenging puzzles requiring advanced solving techniques

[Sudoku Rules]

This puzzle involves filling in the numbers 1-9 in a 9x9 grid.
・One 1-9 per row
・One 1-9 per column
・One 1-9 per 3x3 block

Now, train your brain with 1000 Sudoku puzzles!