Ninefold
Sudoku that teaches you · Free logic game
- Works offline
- Private: stays on your device
- No account or sign-up
About Ninefold
Calm, ad-free sudoku with a Daily puzzle, five honest levels graded by the technique you need, and hints that explain the logic before they fill a square. Plus Killer Sudoku and Twofold, a sliding number game.
- A Daily puzzle with streaks
- Easy to Evil, graded by technique
- Hints that teach X-Wings, pairs and chains
- Notes, smart highlighting, undo and redo
- Killer Sudoku and Twofold
Screenshots
Price
Free to play. Optional one-time upgrade: Ninefold Pro, $2.99 (no subscription), or every upgrade in every Yuzool app with Yuzool Plus, $19.99 once. Works on iPhone, Android, Mac and PC in your browser; add it to your Home Screen to open it like an app.
