Blackboard Sudoku
Classic Chalk Puzzle Game
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Step back into the classroom with Blackboard Sudoku — a beautifully crafted number puzzle game wrapped in a nostalgic blackboard and chalk aesthetic. Every detail, from the chalky handwritten numbers to the subtle dust particle effects, is designed to transport you back to the days of solving problems at the front of class.
THREE DIFFICULTY LEVELS — GRADE YOUR CHALLENGE
Start with Grade 1 for a gentle warm-up, perfect for beginners and casual puzzlers. Move up to Grade 3 when you're ready for a real brain workout with trickier logic. For seasoned Sudoku veterans, Grade 6 delivers expert-level puzzles that will truly test your skills. Each difficulty is themed after school grades, making every step up feel like a graduation.
CLASSIC SUDOKU, THOUGHTFULLY DESIGNED
Place numbers 1 through 9 in every row, column, and 3x3 box — the timeless rules you know and love, presented with care. Use Note Mode to pencil in candidates just like jotting notes in the margin of your notebook. Made a wrong move? The mistake tracker gives you three lives per puzzle, keeping the stakes real without being punishing. When you're stuck, the hint system is there to nudge you in the right direction using coins you earn or purchase.
CELEBRATE EVERY WIN
Complete a puzzle and watch a satisfying stamp animation mark your achievement — just like getting a gold star from your teacher. Your Report Card tracks your performance across all difficulty levels, recording completion times, accuracy, streaks, and more. Review your stats anytime to see how far you've come.
PLAY YOUR WAY
Blackboard Sudoku is fully playable offline, so you can enjoy it on the bus, on a plane, or anywhere without a connection. The game is available in both English and Traditional Chinese (繁體中文), so you can play in the language most comfortable for you.
OPTIONAL UPGRADES
Earn coins through gameplay or grab a coin pack to stock up on hints. Prefer an uninterrupted experience? The Remove Ads option lets you play in peace. Ads are kept minimal and non-intrusive, so free players can enjoy the full game without frustration.
Download Blackboard Sudoku today and rediscover the joy of puzzle-solving on the most charming blackboard you've ever seen. Class is in session!
Ratings & Reviews
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The developer, Technetron Unlimited, Inc., 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Technetron Unlimited, Inc.
- Size
- 94.7 MB
- Category
- Games
- Compatibility
Requires iOS 15.0 or later and a device with the A12 Bionic chip or later.
- iPhone
Requires iOS 15.0 or later and a device with the A12 Bionic chip or later.
• iPhone XS
• iPhone XS Max
• iPhone XR
• iPhone 11
• iPhone 11 Pro
• iPhone 11 Pro Max
• iPhone SE (2nd generation)
• iPhone 12 mini
• iPhone 12
• iPhone 12 Pro
• iPhone 12 Pro Max
• iPhone 13 Pro
• iPhone 13 Pro Max
• iPhone 13 mini
• iPhone 13
• iPhone SE (3rd generation)
• iPhone 14
• iPhone 14 Plus
• iPhone 14 Pro
• iPhone 14 Pro Max
• iPhone 15
• iPhone 15 Plus
• iPhone 15 Pro
• iPhone 15 Pro Max
• iPhone 16
• iPhone 16 Plus
• iPhone 16 Pro
• iPhone 16 Pro Max
• iPhone 16e
• iPhone 17 Pro
• iPhone 17 Pro Max
• iPhone 17
• iPhone Air
• iPhone 17e
• iPhone 18 Pro
• iPhone 18 Pro Max
• iPhone Duo - iPad
Requires iPadOS 15.0 or later and a device with the A12 Bionic chip or later.
• iPad Pro (11‑inch)
• iPad Pro (11‑inch) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (3rd generation)
• iPad Pro (12.9‑inch) (3rd generation) Wi‑Fi + Cellular
• iPad mini (5th generation)
• iPad mini (5th generation) Wi‑Fi + Cellular
• iPad Air (3rd generation)
• iPad Air (3rd generation) Wi‑Fi + Cellular
• iPad Pro (11‑inch) (2nd generation)
• iPad Pro (11‑inch) (2nd generation) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (4th generation)
• iPad Pro (12.9‑inch) (4th generation) Wi‑Fi + Cellular
• iPad Air (4th generation)
• iPad Air (4th generation) Wi‑Fi + Cellular
• iPad (8th generation)
• iPad (8th generation) Wi‑Fi + Cellular
• iPad Pro (11-inch) (3rd generation)
• iPad Pro (11-inch) (3rd generation) Wi‑Fi + Cellular
• iPad Pro (12.9-inch) (5th generation)
• iPad Pro (12.9-inch) (5th generation) Wi-Fi + Cellular
• iPad mini (6th generation)
• iPad mini (6th generation) Wi-Fi + Cellular
• iPad (9th generation)
• iPad (9th generation) Wi-Fi + Cellular
• iPad Air (5th generation)
• iPad Air (5th generation) Wi‑Fi + Cellular
• iPad (10th generation)
• iPad (10th generation) Wi‑Fi + Cellular
• iPad Pro (11‑inch) (4th generation)
• iPad Pro (11‑inch) (4th generation) Wi‑Fi + Cellular
• iPad Pro (12.9‑inch) (6th generation)
• iPad Pro (12.9‑inch) (6th generation) Wi‑Fi + Cellular
• iPad Air 11-inch (M2)
• iPad Air 11-inch (M2) Wi-Fi + Cellular
• iPad Air 13-inch (M2)
• iPad Air 13-inch (M2) Wi-Fi + Cellular
• iPad Pro 11-inch (M4)
• iPad Pro 11-inch (M4) Wi-Fi + Cellular
• iPad Pro 13-inch (M4)
• iPad Pro 13-inch (M4) Wi-Fi + Cellular
• iPad mini (A17 Pro)
• iPad mini (A17 Pro) Wi-Fi + Cellular
• iPad (A16)
• iPad (A16) Wi-Fi + Cellular
• iPad Air 11-inch (M3)
• iPad Air 11-inch (M3) Wi-Fi + Cellular
• iPad Air 13-inch (M3)
• iPad Air 13-inch (M3) Wi-Fi + Cellular
• iPad Pro 11-inch (M5)
• iPad Pro 11-inch (M5) Wi-Fi + Cellular
• iPad Pro 13-inch (M5)
• iPad Pro 13-inch (M5) Wi-Fi + Cellular
• iPad Air 11-inch (M4)
• iPad Air 11-inch (M4) Wi-Fi + Cellular
• iPad Air 13-inch (M4)
• iPad Air 13-inch (M4) Wi-Fi + Cellular - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later and a device with the A12 Bionic chip or later.
- iPhone
- Languages
- English and Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- 30 Chocolate Coins $14.99
- 3 Chocolate Coins $2.99
- 90 Chocolate Coins $34.99
- 10 Chocolate Coins $6.99
- Remove Ads $3.99
- Copyright
- © 2025 Dawn Forge