Engage your mind with a challenging block connect puzzle game. Fill all blocks using a single line, with over 2000 levels and daily challenges. Also features a water color sorting puzzle with 1500+ levels.





244+ iOS apps & games curated and reviewed
If you already know Fill One Line Puzzle Games, this is the deeper bench. 244+ fill one line puzzle games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.6★ (28) | Yes | No | Sep 2026 | ||
| 2 | Free | 4.7★ (7.2K) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 4.6★ (40K) | Yes | Yes | Sep 2026 | ||
| 4 | Free | 4.0★ (64) | Yes | Yes | Aug 2026 | ||
| 5 | Free | 4.9★ (76K) | Yes | Yes | Sep 2026 | ||
| 6 | Free | 4.7★ (29K) | Yes | Yes | Sep 2026 | ||
| 7 | Free | 4.6★ (73K) | Yes | Yes | Sep 2026 | ||
| 8 | Free | 4.7★ (1.6K) | No | Yes | Aug 2026 |





Engage your mind with a challenging block connect puzzle game. Fill all blocks using a single line, with over 2000 levels and daily challenges. Also features a water color sorting puzzle with 1500+ levels.






Challenge your mind with a single line puzzle game. Fill all blocks in one continuous path without lifting your finger or retracing steps. Enjoy increasing difficulty and strategic gameplay without timers.




Engage in a free, addictive one-line puzzle game designed to sharpen your mind. Fill all blocks using a single continuous line. With 2,000 puzzles across four difficulty levels, it's perfect for brain training during commutes or downtime.