Designed for ages 3-9+ • gentle learning pace
Grow Little Minds with Playful Sudoku
From first logic steps to confident 9x9 solving
kid doku turns sudoku into a calm, rewarding learning routine for children. Kids begin with 2x2 and 3x3 grid training, then move toward 4x4 and standard 9x9 challenges, while building concentration, pattern recognition, and number confidence.
Kid-safe UI
Chinese/English
Coins & Hall of Fame
Parent-friendly settings
Four Progressive Levels
Level cards are intentionally simple and colorful for kids, while each mode introduces a new layer of logic challenge.
Junior
3x3 Grid TrainingExplorer
4x4 Grid IntroMaster
9x9 Standard Sudoku
Clear selected-cell feedback
Selected cell uses a thick dashed border and animated highlight with a question mark hint for easier recognition.
Encouraging completion flow
Every clear can show random gift icon + praise title + helpful tips, decoupled and bilingual for variety.
Child-focused rhythm and audio
Home entry, card taps, number input, level clear, and Hall of Fame each have dedicated SFX to reinforce actions.
Simple parent control points
Language, legal pages, and about panel are accessible from settings without breaking gameplay flow.
What Parents and Kids Say
Short wins, clear goals, and joyful visuals help children stay engaged without overwhelm.
★★★★★
"My 5-year-old now asks for 'one more sudoku' before bedtime. The 2x2 start is perfect."
Parent · Shanghai★★★★★
"The level labels are easy to understand. We moved from 3x3 to 4x4 in two weeks."
Parent · Shenzhen★★★★★
"I love the colorful numbers and the little rewards. It feels like a game, not homework."
Kid · Age 7★★★★★
"The selected-cell cue is very clear. It reduced input mistakes for my child right away."
Parent · Beijing★★★★★
"Great bilingual support. We can switch language while keeping the same child-friendly layout."
Parent · Hangzhou★★★★★
"The interface is calm and clean. Even on iPad, everything stays readable for kids."
Parent · ChengduFrequently Asked Questions
Quick answers for setup, progression, and privacy.
Is kid doku suitable for preschool children?
Yes. The game starts from 2x2 and 3x3 training with visual guidance, then gradually unlocks higher difficulty levels.
Can children play in both Chinese and English?
Yes. The app supports bilingual copy and can switch language from Settings at any time.
Does the app collect sensitive data from children?
The app is designed with minimal data collection. Please review the official policy for full details.
What does Hall of Fame do?
Hall of Fame shows progress-related highlights and coin context, giving children positive reinforcement after puzzle progress.
Where can I read legal information?
You can read both User Agreement and Privacy Policy directly.
Start Your Child's First Sudoku Journey
kid doku is built to make logic practice feel warm, playful, and achievable. Bring structure to screen time with tiny daily puzzle wins.