Sudoku, the number puzzle you know, with a few new ways to play.

• Five difficulties: Easy, Medium, Hard, Expert and Master.
• Daily puzzle: a new puzzle every day, the same for everyone, harder as the week goes on. Keep your streak alive.
• Trials: each trial adds a rule that makes it more than its digits. Clear one to open the next.
• Duel: make a puzzle with your own rules, send its code to a friend, and see who solves it faster.
• Nine themes that open one by one as you solve puzzles.
• Hints for when you are stuck, and statistics for your games.


Become a Supporter for every theme, unlimited hints, every past daily puzzle, and a second chance in any trial.