Pure Sudoku by Lionbro
CHENG-CHIEH LIEN
About this game
- Age 10
- Updated Oct 11, 2025
- OS IOS
Editor reviews
Pure Sudoku by Lionbro delivers a clean, distraction-free Sudoku experience focused on pure logic and satisfying progression. Enjoy handcrafted grids across multiple difficulty levels, intuitive controls, and thoughtful helpers like notes and conflict highlights. Whether you are practicing during a quick break or training your brain with expert boards, the minimalist design keeps the focus on solving. Track your improvements with timers and stats, and sharpen your techniques with optional hints that guide rather than spoil.
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How to play:
Select a difficulty and open a new puzzle to begin.
Tap a cell and enter numbers 1–9, following the rule of no repeats in any row, column, or 3x3 box.
Enable Notes to pencil in candidate numbers and narrow them down as you deduce.
Use highlight or conflict check to spot duplicates and avoid mistakes if available.
Call a hint when stuck to reveal a logical next step without finishing the puzzle for you.
Finish the grid, review your time and stats, then climb to tougher levels to improve your skills.