🎯 Goal
Fill every row, column, and 3×2 box so each number 1–6 appears exactly once.
📖 How to play
- Tap a cell to select it (glows blue)
- Tap a number to fill it — correct entries show in blue
- Bright white numbers are fixed clues — can't be changed
- Wrong entries turn red — 3 mistakes = game over
🛠 Tools
- 💡 Hint — Reveals one correct cell
- ✏️ Notes — Write candidate numbers in cells
- ✕ — Erases selected cell
- ↺ — Undo last move
🏆 Level Difficulty
- Levels 1–5 EASY — 28 given numbers
- Levels 6–12 MEDIUM — 22–24 given numbers
- Levels 13+ HARD — 15–20 given numbers
Complete a level to unlock the next one!