Hundreds of hand-tuned levels
Easy to start and deep to master, tuned by hand rather than generated.
Live on App Store & Google Play
One line. Every cell.
Draw one continuous line across the grid and visit every cell exactly once. No retracing, no shortcuts — just clean, focused puzzle solving at whatever pace suits you.
- iPhone & iPad
- Android
- Free
- No timers
What's inside
The quiet kind of fun
No timers, no lives, no pressure. Solve at your own pace and restart in a tap.
Daily challenges
A fresh challenge that refreshes every day.
Themed packs
Classic, blockers, mirrors and more, each changing how the grid behaves.
Soothing soundtrack
A calm soundtrack and gentle haptics, built for unwinding rather than winning.
Play offline anywhere
No connection needed. Resume on any device.
No timers, no lives
Nothing counts down and nothing runs out. Restart a board in a single tap.
Specifications
Technical details
- Platforms
- iOS 15.0 or later, Android
- Category
- Games · Puzzle
- Levels
- Hundreds, hand-tuned
- Modes
- Daily challenges, themed packs
- Timers
- None
- Lives
- None
- Offline
- Full functionality
- Price
- Free, no paywall
FAQ
Frequently asked questions
How do you play LineFill?
Draw one continuous line across the grid so that it visits every cell exactly once. You cannot retrace over a cell you have already used.
Is there a time limit?
No. There are no timers and no lives — you solve at your own pace and can restart a board in a tap.
Does it work offline?
Yes, you can play offline anywhere.
Is any level locked behind a purchase?
No. There is no paywall — every level is free to try. Ads appear only at level boundaries, never during gameplay.
Pricing
Free · no paywall
No paywall — every level is free to try. Ads appear only at level boundaries, never during gameplay.
Free
- Hundreds of hand-tuned levels
- Daily challenges
- Every themed pack
Download LineFill
Free to download. No account needed.