Logic you can lose an afternoon in.
A clean, classic 9×9 Sudoku built for Notion embeds. Every puzzle comes from a backtracking generator that removes cells one at a time and only keeps a removal if the grid still has exactly one solution — so easy, medium, and hard are always solvable without guessing.
Toggle pencil mode to jot candidates, watch conflicts light up in red as you type, and spend your limited hint charges to reveal a stuck cell. Best times are saved per difficulty, and the whole board works with keyboard, mouse, or touch.
⚙️ Settings & Customization
- Theme
- Language
- Size
- Transparent background
- 🎨 Accent Color
📖 How to embed in Notion
- Copy the embed link from the sidebar on the right.
- Open the Notion page you want the widget on and type
/embed. - Paste the link into the embed dialog and press
Embed link. - Drag the embed's bottom edge to resize it to taste.
🆕 What's new in v1.1
- ✦ Unique-solution puzzle generator with three difficulties
- ✦ Pencil marks + live conflict highlighting
- ✦ Reveal-one-cell hint with limited charges per puzzle
- ✦ 21 languages with RTL support · best time saved per difficulty
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