Sudoku Online: Multiplayer 1v1
Duel friends, classic puzzles
About
Engage in real-time Sudoku duels against friends or tackle daily challenges with global rankings. Enjoy hundreds of classic puzzles offline with customizable themes and a distraction-free interface. Designed for focus with no ads.
What's New in Sudoku Online
1.4.7
October 23, 2026
• Bug fixes and stability improvements.
Events
Developer apps
FAQ
What are the game modes in Sudoku Online?
Sudoku Online offers three main game modes: real-time 1v1 multiplayer duels against friends, a Daily Challenge with a new puzzle each day and global rankings, and hundreds of classic Sudoku puzzles for single-player offline enjoyment.
Can I play Sudoku Online offline?
Yes, you can play hundreds of classic Sudoku puzzles offline in single-player mode. This allows you to enjoy the game anywhere, such as on a train or during a break, without needing an internet connection.
How does the Daily Challenge work in Sudoku Online?
The Daily Challenge presents a new Sudoku puzzle each day, identical for all players. Your score is calculated based on your completion time and penalties for mistakes, allowing you to see your rank on a worldwide leaderboard.
Does Sudoku Online have ads?
No, Sudoku Online is designed for focus and does not feature any advertisements to interrupt your gameplay.
What customization options are available in Sudoku Online?
The app offers dark mode and over 20 themes, with Lavender and Night themes available for free. Additional themes can be unlocked with Sudoku Pro, a one-time purchase.
How do I play multiplayer matches in Sudoku Online?
To play a multiplayer match, you can create a private game and share a code with your friend. Both players solve the same Sudoku simultaneously, earning points for correct numbers and facing time penalties for errors.
Is Sudoku Online suitable for all ages?
Sudoku Online has an age rating of 4+, making it suitable for a wide range of players. The game's logic-based nature can be beneficial for cognitive development.
How often is Sudoku Online updated?
The app was last updated on October 23, 2026, with version 1.4.7. This indicates a commitment to ongoing development and improvements.
