Expert boards need patterns that span the whole grid: one color locked into matching rows and columns, and three colors hiding in three cells. Same rules as any sudoku, with nine colors in place of the numbers.
Levels: Easy · Medium · Hard · Expert · All levels
Every day brings one new board, the same for every player. Finish it, see how your score compares, and share your result without spoiling the board.
On top of everything Hard uses, Expert boards need X Wing, Swordfish, and Hidden Triples. Each one has a short animated lesson.
A hint doesn’t just fill in a cell. It names the technique and walks you through why the move works. Every technique also has its own animated lesson, and the two-minute tutorial covers the basics.
Open it and play. Also on the App Store and Google Play.
Clears your saved best score for every difficulty in this browser. Nothing else is kept here.
