FAQ
What is Legen Sudoku?
Legen Sudoku is a free online Sudoku game designed for focused play on desktop and mobile.
Which difficulties are available?
The first version includes easy, medium, hard, and expert puzzles.
Can I use notes and hints?
Yes. Notes let you mark candidate numbers, and Hint can reveal one useful cell when you are stuck.
Do I need an account?
No. The first version does not require login, payment, or personal profile setup.