Engage in fast-paced, real-time Sudoku battles against players worldwide. Race to solve identical grids, earning bonuses for speed and accuracy while facing time penalties for mistakes. Climb the leaderboards and challenge friends in this competitive puzzle experience.
1.0.6
December 27, 2025
- Fixed tutorial bugs and bug with matches not ending properly
Unlock custom emotes, ad-free, premium stats and more!
Sudoduel transforms Sudoku into a real-time race. Players compete head-to-head on identical grids, with speed and accuracy being key. Unlike leisurely play, mistakes incur significant time penalties, adding an adrenaline-fueled competitive edge.
Sudoduel uses the Glicko-2 rating system for intelligent matchmaking. This system, also used in competitive chess, pairs you with opponents of similar skill levels to ensure fair and challenging matches.
You can win Sudoduel by completing the puzzle before your opponent, or if your opponent times out and you have solved more cells. If both players time out, the player with the most solved cells wins. Ties result in a draw.
Yes, Sudoduel allows players to send friend requests and rematch opponents. It also features a customizable emote system for in-game communication, adding a lighthearted element to the competition.
Sudoduel offers two subscription plans: Sudoduel+ at $4.99 per month and Sudoduel+ Annual at $29.99 per year. These plans likely offer enhanced features or benefits within the game.
The current data indicates Sudoduel is supported on iPhones. The architecture is designed for seamless gameplay across devices with mobile responsiveness.
Sudoduel was last updated on December 27, 2025, with version 1.0.6. This suggests a relatively recent update and ongoing development for the game.
Sudoduel has an age rating of 12+. This indicates it is suitable for players aged 12 and older.