Contact Us
Have questions, feedback, or need help with a puzzle? Our team is here for you.
Send us a message
Fill out the form below and we'll get back to you as soon as possible.
Email Support
For general inquiries, gameplay help, or technical support.
Bug & Puzzle Glitches
Spotted an impossible board state or visual defect? Please include your device model, OS, and puzzle seed if possible.
Privacy & Data Requests
For GDPR/CCPA data rights, review our Privacy Policy or contact our Data Protection team.
Frequently Asked Questions
Quick answers to common questions about Sudoku King.
How do Daily Challenges work?
A shared puzzle is available each day. Start it while connected, then submit your verified time and result to the daily leaderboard.
Do I need an internet connection to play?
Yes. Matches, daily challenges, and result submission require an active internet connection.
How are puzzles generated?
Sudoku King uses a deterministic backtracking engine with Minimum Remaining Values (MRV) and unique-solution verification, ensuring every puzzle is 100% logically solvable without guessing.