What is a Sudoku duel?
A Sudoku duel is a race: two players solve the same puzzle, and the first to finish wins. In Marble Sudoku, a wrong marble stuns you for 3 seconds, so rushing costs time.
You can start a Quick Duel, duel a friend with a code, or take up a challenge and race someone's latest recorded duel. Each duel uses a Duel Pass, and a win gives it back. Wins add stickers from countries around the world to your Sticker Album.
- Same puzzle
- First to finish wins
- 3-second stun
The rules
- 1Same puzzle. Both players solve the same Sudoku at the same time.
- 2First wins. The first player to fill every hole wins the duel.
- 3Mistakes stun. A wrong marble stuns you for 3 seconds.
- 4Duel Passes. Each duel uses a pass, and a win gives it back.
Watch it on the board
- You and your rival get the same puzzle and start together.
- A wrong marble stuns you for 3 seconds while your rival keeps going.
- Keep calm and keep solving. The first to fill every hole wins.
Tips
- Accuracy beats speed. Three seconds is a long time in a race. A sure move is faster than a guess.
- Start with the easy singles. Fill the rows, columns and boxes with only one gap first to build a lead.
- Do not watch the other bar. Your rival's progress cannot change your puzzle. Keep your eyes on your board.
- Practise the techniques. The solving techniques turn long searches into quick moves.
Duel vs Classic Sudoku
| Duel | Classic | |
|---|---|---|
| Players | You and a rival | Just you |
| Goal | Finish before your rival | Finish the puzzle |
| Mistakes | Stun you for 3 seconds | No time penalty |
Sudoku Duel FAQ
How does a Sudoku duel work?
Two players solve the same puzzle at the same time. The first to fill every cell correctly wins.
What happens if I place a wrong marble?
You are stunned for 3 seconds and cannot place marbles, while your rival keeps solving.
Can I duel a friend?
Yes. Choose Duel a friend, get a code and send it to your friend. They join with the code.
What is a challenge?
In a challenge you race another player's latest recorded duel on the same puzzle. First to finish wins.
What are Duel Passes?
Each duel uses one Duel Pass. A win gives your pass back, and new passes arrive every day.
PLAY IT IN MARBLE SUDOKU
Challenge someone to a duel
Start a Quick Duel or send a friend your code. Same puzzle, first to finish wins.
Next modeClassic Sudoku
