Tutorials reborn—5 theory courses (27 chapters), bilingual logic for all 70 techniques. New score leaderboards. 5-level progressive hints: learn as you play, no spoilers.
SudokuFang — Classic Logic Puzzle Game
Fill the 9×9 grid and sharpen your logical thinking. From your very first puzzle to world-class challenges, one app is all you need.
[Ways to Play]
• Classic Sudoku: 7 difficulties from Easy to Diabolic — the right puzzle for every level
• Daily Challenge: the same puzzle worldwide, with an event calendar, monthly medals and same-month make-up days
• Library Campaign: climb through 7 difficulty chapters, plus your own collection with groups and imports
• Variants: Killer, Diagonal and Jigsaw Sudoku
• Online Battles: race friends or players worldwide on the same puzzle, with live progress
• Leaderboards: every solve earns difficulty-based points — see where you rank, all-time and weekly
[A Sudoku App That Actually Teaches]
• Theory courses: Foundations, Chains, Rank Theory, Deadly Patterns and Exocet — like reading an illustrated sudoku textbook
• Every technique covered: from simple eliminations to the Exocet, each with a plain-language explainer, real-board examples and endless practice puzzles
• Step-by-step walkthroughs: explanations follow the exact board in front of you, pointing at every cell they mention
• A learning path that climbs the difficulty ladder, with stage challenges and review reminders
• New here? Three steps: pick your level, win a quick game, take the tour
[Smart Hints, No Spoilers]
• Five levels of reveal: first the technique name, then the area, the candidates, and only at the end the full answer
• Every hint opens into a full explanation — learn while you play
• Reasoning lines are drawn right on the board, so the logic is plain to see
[Analyzer Studio]
• Rate any puzzle with one tap, generate its full solving path and play it back step by step
• Explore alternative moves at any step, or long-press a candidate to test a hypothesis
• Export your solve as a GIF, a long image or a difficulty report to share
[Handy Tools]
• Auto-candidates, notes mode and solve replay
• Draft annotations: 10 colors, logic-chain drawing, region marks, full undo/redo, one-tap snapshot sharing
• Puzzle sharing: card + QR code + link — friends tap and play the same puzzle
[Polished Experience]
• 14 theme skins + a custom theme editor
• Achievements and detailed statistics
• iCloud sync across devices
• Dark mode, haptics and background music
Ad-free. Pure Sudoku enjoyment.
Ratings & Reviews
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[Big] Tutorials, completely rebuilt: a full learning path from basics to the extreme
• Theory courses arrive: Foundations / Chains / Rank Theory / Deadly Patterns / Exocet — 5 courses, 27 chapters, with real-board illustrations and concept cards
• Exocet theorems chapter: Mirror Sync, Target Pair, Locked Member, Same-Box and Region-X theorems each come with a dedicated diagram highlighting base, targets, mirror cells and Region X
• Technique explainers: six bilingual sections for all 70 techniques (what it is / why it works / the math / how to scan / reading highlights / checklist)
• Step-by-step walkthroughs: explanations now follow the actual structure of the step in front of you, not a generic template
• Learning path aligned with the seven game difficulties: stage challenges, mastery profiles and review suggestions
• Practice upgraded: classic curated puzzles plus unlimited isomorphic variants; rare techniques like the Trivalue Oddagon are now practicable
[New] Score Leaderboards
• Engine-rated scores accumulate into all-time and weekly boards
• No sign-up needed — play under an auto nickname, rename anytime
[New] Welcome Onboarding
• A fresh three-page intro: pick your level, score a quick win, find your way around
[Better] Hints
• Five-level progressive reveal: technique → area → candidates → eliminations → full explanation. Think first, no spoilers
• Hint cards link straight to lessons and explainers
[Better]
• Replay player: technique-visual toggle, key-steps-only mode, staged loading
• Draft tools now offer 10 colors across chains, shapes and regions
• Advanced engine reliability: automatic recovery from background termination
Version 1.0.14
The developer, 洋 胡, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
洋 胡
Size
30.1 MB
Category
Puzzle
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
iPad Requires iPadOS 17.0 or later.
Mac Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
