Fill Line

Fill in all blocks using one line. 500+ free levels to play! Test your IQ now!

#1 brain training block puzzle on Android!

Connect all blocks with one line!

Sharpen your mind with a connect-the-block-style one-line brain training puzzle game.

A simple but addictive fill one line block puzzle game that’s completely free to play.

You'll train your brain with each level passed because the puzzles get harder as you go along. Are you up for the ultimate brain-training challenge?

HOW TO PLAY

Just fill in all of the blocks using only one line.

FEATURES

★ 4 levels of difficulty with 2000 games to play.

★ NO WIFI? NO PROBLEM! Enjoy wood puzzle anytime, anywhere!

★ FREE TO PLAY & Suitable for all ages.

★ NO penalties & time limits; You can enjoy Fill One Line Block Puzzle at your own pace!

★ STUNNING GRAPHICS: catchy sound effects with mesmerizing visuals suitable for everyone

You’re sure to get hooked on these puzzles!

While playing this drag one line game you train your brain to process various forms of strategies at lightning speeds. While you devise strategies to win the game, it also builds your neural connections. This wood block puzzle game is made to help keep your brain cognitively fit, flexible, and young.

It's great for time filling and always keeps the brain working. The puzzles in this one line game can be hard or easy, but each one takes careful planning.

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.

Your brain becomes more active the more you play.

During your commute, before you sleep… enjoy downtime with brain training.