Frequently asked questions

MoonDoku is a modern, distraction-free Sudoku game designed for both beginners and experts. We focus on a clean interface, beautiful themes, and lo-fi chill vibes to help you relax while you play.

No, you can play as a guest! Creating a free account unlocks unlimited daily puzzles and lets you save your progress across devices, track your completion stats, and customize your profile.

If you get stuck, you can use a hint to reveal a cell. Hints are limited based on the difficulty level to keep things challenging, but they're there to help you learn and progress.

Yes — MoonDoku is completely free. Guests can play a free puzzle every day with no sign-up, and a free account unlocks unlimited puzzles across all difficulty levels.