# Sudoku Classic – Number Puzzle

> Classic Number Puzzle

Canonical page: [https://chrome-stats.com/d/id6782363654](https://chrome-stats.com/d/id6782363654)

## Overview

- **ID:** `id6782363654`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Kyusung Lee
- **Category:** Puzzle
- **Version:** 1.0.10
- **Last updated:** 2026-09-05
- **First published:** 2026-06-21
- **Size:** 63 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sudoku-classic-number-puzzle/id6782363654)
- **Website:** [https://sudoku.leekyusung.kr](https://sudoku.leekyusung.kr/)
- **Privacy policy:** [https://sudoku.leekyusung.kr/en/privacy.html](https://sudoku.leekyusung.kr/en/privacy.html)

## Description

Sudoku Classic — the cleanest brain puzzle you can play with numbers.

No sign-up, no hassle — just start playing. With 4 difficulty levels from Easy to Expert and a fresh Daily Challenge every day, there's always a round waiting to wake up your brain. Ads are kept to a minimum, and you can play offline anytime — no internet needed.

[Key Features]
- 4 difficulty levels: Easy / Medium / Hard / Expert
- Daily Challenge: a new puzzle every day — build your streak
- Notes mode: pencil in candidate numbers and solve with pure logic
- Undo / redo / erase to fix mistakes freely
- Hints to give you a nudge when you're stuck
- Same-number highlight, related-cell highlight, and mistake indicators for comfortable solving
- Statistics: win rate, best time, average time, and streaks at a glance
- Dark mode support that's easy on your eyes
- Auto-save: pause anytime and pick up right where you left off

On the subway, at a café, before bed — fill your spare minutes the smart way.

## Rankings

- #1,914,195 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6782363654)