Sudoku Flow

Contact

We read every message. Here is the fastest way to reach us for each kind of question.

Email

Write to [email protected]. We usually answer within a few days.

About a puzzle

Think an answer is wrong, or found a faster way? Leave a comment under the puzzle's video on YouTube, or email us with the puzzle number.

Help with the Sudoku app

Questions about the app, subscriptions or a problem in the game are answered on the app's official site.

Press and partnerships

Logos, images and a short description are in our press kit.