Mudoku.io: Multiplayer Sudoku

Content rating
Everyone
10+
Downloads
Content rating
Everyone
Users Interact
Learn more
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About this game

Think you're good at Sudoku? Prove it - against real players, in real time.

Mudoku.io is the first competitive multiplayer Sudoku game where you race head-to-head on the same board. Two players. One puzzle. Whoever scores the most wins.

Multiplayer + Sudoku = Mudoku

HOW IT WORKS
- Tap a cell, pick a number - if it's correct, you score a point
- Get consecutive correct answers to build streaks and earn bonus points
- Wrong answers freeze you for 3 seconds while your opponent keeps going
- When the board is complete or time runs out, highest score wins

FEATURES
- Real-time 1v1 multiplayer - race against real opponents worldwide
- Challenge friends - send a 6-character code, they join instantly
- Smart matchmaking - play opponents at your skill level (ELO rating system)
- 4 difficulty levels - Easy, Medium, Hard, and Expert puzzles
- Global leaderboards - climb daily and all-time rankings
- Streak bonuses - build combos for 3x, 5x, and 8x bonus points
- Quick chat - send emojis and messages during the game
- Shareable results - show off your wins on social media
- Choose your pace - 3, 5, or 10 minute games
- Play instantly - no account required, jump right in

WHY MUDOKU.IO?
Sudoku has always been a solo game. Mudoku changes that. Every puzzle becomes a race. Every correct answer matters more when someone else is racing to fill the same cell. The streak system rewards consistency - land 5 in a row and watch the bonus points stack up.

Whether you're a Sudoku beginner or expert, Mudoku matches you with opponents at your level. The ELO rating system ensures fair, competitive games every time.

PLAY ANYWHERE
- Available on web at mudoku.io and on Android
- Cross-platform - challenge friends no matter what device they use
- Free to play - no paywalls, no pay-to-win

Challenge a friend. Beat a stranger. Climb the leaderboard. Download Mudoku now and see how you rank.
Updated on
Apr 13, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info
This app may collect these data types
Personal info and App activity
Data is encrypted in transit
You can request that data be deleted

What’s new

Improved Multiplayer Experience
Added Daily Challenges - Separate Leaderboard!
Added Zen Mode(Normal Sudoku mode) - No timer, No pressure
Bug fixes
Content rating
Everyone
Users Interact
Learn more

App support

About the developer
Shilpa Swami
greenpapertechnologies@gmail.com
India