Improved privacy features
Improved advertising experience
Minor Bug Fixes
Minor Bug Fixes
Add new theme.
Changed some features. Enjoy!
bug fix.
bug fix.
Thank you for always playing it.
We have carried out the following update.
* Improve performance
* Minor modification
Discover your new addiction!!
Thank you for always playing it.
We have carried out the following update.
* Improve performance
* Minor modification
Discover your new addiction!!
Thank you for always playing it.
We have carried out the following update.
* Improve performance
* Minor modification
Discover your new addiction!!
Thank you for always playing it.
We have carried out the following update.
* Improve performance
* Minor modification
Discover your new addiction!!
Thank you for always playing it.
We have carried out the following update.
* Add 100 new stages
* Improve performance
* Minor modification
Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always playing it.
We have carried out the following update.
* Improve performance
* Minor modification
Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always playing it.
We have carried out the following update.
* Restore data that disappeared when updating to 4.5.0
Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always playing it.
We have carried out the following update.
* Improve performance
* Minor modification
Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.
We have carried out the following update.
* Improve performance
* Minor modification
Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.
We have carried out the following update.
* Improve performance
* Minor modification
Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.
We have carried out the following update.
* Improve performance
* Minor modification
Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Improve performance* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Improve performance* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Improve performance* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Improve performance* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Improve performance* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Fixed display of daily bonusPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Fixed display of daily bonusPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Improve performancePlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Fixed a bug when purchasing an advertisement deletion item.Please continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Thank you for always using it.We have carried out the following update.* Reduction of communication volume* Minor modificationPlease continue your favors toward "Fill - one-line puzzle game" in the future.
Sharpen your mind with a connect-the-block-style one-line brain training puzzle game.
A simple but addictive one-line puzzle game that’s completely free to play.
Your brain becomes more active the more you play.
During your commute, before you sleep… enjoy downtime with brain training.
The rules are extremely simple.
Just fill in all of the blocks using only one line.
Use hints for puzzles that are too hard to solve.
Hints are also free, of course.
4 levels of difficulty.
A whopping 2,000 puzzles.
Don’t get too cozy—the puzzles get harder as you go along.
One-line puzzles are mathematical problems with origins in the early 18th century. First posed in Königsberg, the original puzzle revolved around the town’s Pregel River.
Mathematical thinking is said to increase work efficiency and prevent aging.
Whether math is your bane or your forte, be sure to give this game a try.
You’re sure to get hooked on these puzzles!