Levelgrid

Levelgrid is a calm, streamlined sudoku puzzle game for logic fans and casual mental training. It brings varied grid formats, multi-tier difficulty puzzles and practical in-game helper tools into one clean, minimalist app.
Enjoy relaxed offline puzzle solving with intuitive, uncluttered controls. We offer Classic 9×9, compact 6×6 Beginner grids and special Diagonal variant boards across Beginner, Easy, Medium and Hard difficulty tiers. Handy solving aids including Undo, Erase, Candidate Notes and Puzzle Hints help you overcome tricky logical roadblocks.
Every puzzle generation and grid calculation runs locally on your mobile device. No automatic background uploads, no redundant data gathering, keeping your usage data fully private. Ideal for daily brain workouts, quiet commuter entertainment, stress relief and leisure logic challenges.
Core Features:
Classic 9×9 Grids: Standard traditional sudoku suitable for all-level puzzle lovers.
6×6 Beginner Grids: Smaller simplified boards perfect for new players to learn basic rules.
Diagonal Variant: Special sudoku rules adding extra logic constraints for experienced players.
Multi Difficulty Levels: Beginner / Easy / Medium / Hard, match challenges to your skill level.
Daily Challenge: Take one exclusive puzzle every day, maintain your solving streak.
Undo Tool: Revert incorrect digit inputs without restarting your ongoing game.
Erase Function: Quickly clear mistaken numbers on the puzzle grid.
Candidate Notes: Mark potential values inside empty cells for clearer deduction.
Puzzle Hint: Receive targeted clues when you get stuck on difficult puzzles.
Achievement System: Unlock badges as you complete puzzles and reach personal milestones.
In-Progress Save: Automatically retain unfinished puzzles so you can resume anytime.
Download Levelgrid for peaceful, focused number puzzle fun. Train your logical thinking, clear your mind and solve elegant sudoku grids wherever you go.