Arukone: Numberlink Puzzle

Arukone is a logic puzzle where you connect numbers. You may know it as Numberlink or Number Link.

Small number link boards fit into a coffee break. The big ones keep you busy much longer. Either way, Arukone is a relaxing puzzle, painted in soft watercolors.

✏️ How to play Arukone:

1️⃣ Connect each pair of matching numbers with one path.
2️⃣ Paths run up, down, left and right. They never cross or branch.
3️⃣ Fill every cell of the grid.

That's all. Numberlink is quick to learn and relaxing to play. Diabolical and Extreme will still make you think.

🧠 New to numberlink?

Arukone's guide teaches 8 number link techniques, from spotting forced moves to ruling out dead ends. When you're stuck, a hint shows you the next line and explains why it goes there.

☀️ A daily puzzle to relax with

Every day there's a new daily puzzle, plus a weekly one. Connect numbers on the bus, on the couch or right before bed, and keep your streak going.

🧩 Features:

📚 Packs of hand-picked numberlink puzzles, sorted by grid size from 5×5 to 24×24
📴 Play every pack offline
📈 Six difficulty levels, Gentle to Extreme
↩️ Undo, redo and a timer
🏆 Leaderboards for the daily puzzle and every pack
👥 Compare your times with friends
🌙 Light and dark theme

Numberlink puzzles have been around for more than a hundred years. People used to connect numbers with a pencil in the newspaper. Arukone brings number link to your phone.

I build Arukone on my own, so feedback helps a lot. If you find a bug or have an idea, drop me an email.

Recent changes:
- Problem solved 🤖: Logging out no longer signs you back into the same account.
- Problem solved 🤖: Signing in only warns about lost progress when that is true.
- Update 😋: Some design & quality of life improvements and updates.