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fill one line puzzle game

Puzzle 3 plays Added Apr 20, 2026
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Click inside the game to use keyboard controls
Game guide

About fill one line puzzle game

Sharpen your mind with this addictive, connect-the-block style puzzle game. Challenge your brain by filling in every block on the board using only a single continuous line. With hundreds of levels and free hints available whenever you get stuck, it is the perfect way to train your logic skills during your daily downtime.

How to play

  • Use your mouse or touch to draw a continuous line across the blocks.
1playerbrain traininglogicminimalistcasual
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