fill one line puzzle game

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!

Playing fill one line puzzle game: A Quick Guide

How is this game's category defined?

This is considered a Puzzle game.

Who is behind the design of this game?

The development team behind this game is called ZKgame.

What game development tool was used for physics simulation in this game?

This game was developed with Javascript.

Is the game more appropriate for a certain gender?

Male & Female would enjoy playing this game the most.

Does the game include scenes involving blood?

Yes, fill one line puzzle game features blood or blood-like elements.

What are the age recommendations for this game?

The recommended age group for playing this game is Kids, Teens, Young Adults, Adults, Seniors.

Are there any aspects of the game that could be considered cruel?

Yes, fill one line puzzle game portrays harm or mistreatment.

Is this game appropriate for a child to play?

No, fill one line puzzle game contains content inappropriate for kids.