Sudoku Throne: Number Duel
Brain Game vs Friends & Ghosts
Only for iPhone
Free · In‑App Purchases
iPhone
Sudoku that always has a rival. Battle ghosts and friends in sudoku duels, and cross 9 lands to claim the Sudoku Throne.
It's the classic 9×9 logic puzzle you know, now with a rival to race and a world to cross. New to sudoku? When you get stuck, Training teaches solving techniques one at a time.
■ Adventure: 9 lands and a throne
• From Meadow Land to Snow Land, 20 stages in every land
• Clear all 9 lands to face the final Throne Trial
• Earn up to 3 stars per stage, based on mistakes and time
• See every land and the stars you've earned on the world map
• Claim the throne to start a new cycle. Every cycle gets harder
■ Battle: 1-on-1, no waiting
• Speed: same puzzle, first to finish wins
• Items: fill your power gauge and use 8 items like Freeze, Fog, Lock and Shield (more unlock as you play)
• Cell Race: share one board and claim more cells than your rival
• Ghosts are AI rivals matched to your skill, so there's no queue
• Play friends live with a room code or an invite link (friendly match)
■ Training: learn when you're stuck
• 9 solving techniques, from Last cell to Pairs and Triples, unlocking as you progress
• A coach shows where to look, explains why, then lets you try
• Breakthrough training: 3 puzzles tuned to the stage you're stuck on
■ Seasons and rankings
• Quarterly battle seasons, from Bronze to Master
• Coins and profile frames at season end, based on your tier and rank
• Adventure rankings and a friend board show who has gone furthest
■ A daily brain game
• A Daily Challenge number puzzle, 3 daily missions and 7-day check-in rewards
• Earn badges and show them on your profile
■ Collect and customize
• 6 original characters: Gugu the turtle, Dodo the duck, Mimi the Persian cat, Pino the penguin, Coco the corgi and Kipi the squirrel
• Boards, number keys, frames, backgrounds and character cosmetics
• Ghosts you beat fill your collection
■ Fair play
• Ads appear only between games. No ads during play, no banner ads
• Hints are never sold for money. Coins are earned only by playing
• Gems (in-app purchase) buy cosmetics only, never a battle advantage
• One optional Lifetime purchase removes ads, adds 2 premium themes and 200 gems (once)
• No sign-up needed. Adventure and ghost battles work offline
• You can link your Apple account if you like
• Available in English, Korean and Japanese
Questions: support@ieumapp.com
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
· A quick practice board when you first start
· Battle placement is now just 5 games
· Earn coins even when losing your first 3 battles, plus a first-win bonus
· Update right inside the app when a new version is out
· Rankings update as soon as a game ends
The developer, Busung Kang, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
- Other Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Busung Kang
- Size
- 110.5 MB
- Category
- Puzzle
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later.
- iPhone
- Languages
English and 2 more
- English, Japanese, Korean
- Age Rating
4+
- 4+
- Contains
Advertising
User-Generated Content
- In-App Purchases
Yes
- 900 Gems $5.99
- 400 Gems $2.99
- 150 Gems $1.49
- Lifetime Premium $6.99
- Copyright
- © 2026 IEUMAPPS