Frequently Asked Questions
Quick answers about Pro Sudoku
Yes. Pro Sudoku is completely free. There are no payments, subscriptions, or premium features. You can play as many puzzles as you want at any difficulty level.
No. You can play without logging in or registering. Just open the website and choose a difficulty to start playing.
We offer Easy, Medium, Hard, and Expert. Easy has more pre-filled cells; Expert has fewer, making it the toughest. You can start a new game in any level from the game screen.
Select an empty cell and click the Hint button (or use the hint control). We reveal the correct number for that cell. You can use multiple hints in a single puzzle.
After 3 wrong entries, the game ends. You can start a new game (same or different difficulty) and try again. Wrong entries are counted and shown on screen.
Yes. Pro Sudoku is family and kids friendly. There is no inappropriate content, no sign-up required, and the game is suitable for all ages.
Yes. The site works on phones, tablets, and desktops. Use the number pad on screen or your device keyboard. Touch or click cells to select them.
You can email us at hello@prosudoku.in. For more details, visit our Contact page.