# Number Path: Connect in Order — Fill Every Cell With One Line

> Fill Every Cell With One Line (iPhone/iPad app by Kenichi Nakagawa.)

- Source: https://appshunter.io/ios/app/number-path-connect-in-order/id6783262793 (this page in markdown: same URL + `.md`)
- Developer: [Kenichi Nakagawa](https://appshunter.io/developer/1831663034)
- Category: Games, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 5 MB
- Languages: American English, Japanese
- Released: 2026-06-24
- Data updated: 2026-08-22
- User reviews in markdown: https://appshunter.io/ios/app/number-path-connect-in-order/id6783262793/reviews.md

## What is Number Path?

Connect the numbers. Cover the whole board. Find the one path that works.

NumberLine is a clean and satisfying logic puzzle. Start at 1, connect the numbered cells in order, and draw one continuous path that fills every cell on the grid.

You can move up, down, left, or right—but you cannot cross the line or use the same cell twice.

The rules are simple. The solution is not.

FEATURES

• More than 1,000 puzzles
• Four difficulty levels, from Easy to Expert
• Every puzzle has a unique solution
• A Daily Puzzle to challenge yourself
• Colorful Bonus Stages
• Hints and solution support when you get stuck
• Undo and restart anytime
• Clean design and smooth one-finger controls

BONUS STAGES

Connect the matching colors without crossing the lines, and fill every cell on the board. Enjoy a colorful twist on the original NumberLine rules.

SMALL BOARDS, DEEP PUZZLES

You do not need an oversized board to enjoy a challenging puzzle. The harder levels use carefully placed clues and winding routes that make you think several moves ahead.

NumberLine is perfect for quick breaks, relaxing puzzle time, and daily brain training.

Can you find the only path that fills every cell?

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |



## Version history (last 2 releases)

### 1.2 — 2026-07-20

We have completely rebalanced the puzzle difficulty.

• Increased the challenge without making the boards larger
• Improved Hard and Expert puzzles with more thoughtful clue placement
• Rechecked all standard and Daily Puzzles to ensure each has a unique solution
• Adjusted puzzle data and improved game balance
• Fixed minor issues and improved overall stability

Enjoy a deeper and more satisfying NumberLine challenge.

### 1.0 — 2026-06-24

No release notes.

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## More apps by Kenichi Nakagawa

- [NumberSkeleton](https://appshunter.io/ios/app/numberskeleton/id6749665224)
- [15パズル Picture](https://appshunter.io/ios/app/15-picture/id6751309019)
- [カセットソーター](https://appshunter.io/ios/app/id6751833441)
- [Hako-chan](https://appshunter.io/ios/app/hako-chan/id6752607470)
- [Sudoku Tutor - Camera Solver](https://appshunter.io/ios/app/sudoku-tutor-camera-solver/id6755796331)
- [百人一首 - 絵で覚える暗記カード](https://appshunter.io/ios/app/id6768315613)

All apps by Kenichi Nakagawa: https://appshunter.io/developer/1831663034

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-22.*