Easy to play but hard to master.
One Line Fill - Puzzle is the perfect brain teaser and time killer game! Connect with one line every dot on the board! You will have fun with this game!

Summary:
A brain-training puzzle game that activates your mind as you play.
When you've got a spare moment, on your daily commute, or before going to bed, why not experience what it feels like to activate you mind?

How to play:
There is only one rule:
"Connect all the dots with just one line."

As the level goes up, there are some fiendishly tricky, complicated puzzles among the large number of stages.
When you get stuck, please use your smart brain to solve problem.

Finally, Thanks for playing with us!
Have fun!