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!

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Island Puzzle

WELCOME TO THE FUNNIEST JUNGLE PUZZLE ADVENTURE GAME!

Start an exciting adventure in the cutest jungle puzzle matching game! Help the brave pilot and charming cat Tom survive on a desert island. Restore and decorate different areas in the island, get to the bottom of the secrets it holds, and enjoy the company of amusing in-game characters. What are you waiting for? Indulge yourself and become the hero of a brand new story. Build your dream island for free!

Search for rare and unique artifacts by playing with curious pets, connecting them together in lines as long as possible. Play with little Tom cat, get powerful boosters and help collect precious items!

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