The Fill
About This 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.
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.
How to Play
Get ready to play The Fill!
Use your mouse or touch to interact with the game. Follow the on-screen instructions to get started.
PC Controls:
Mouse: Click and drag to interact with game elements.
Keyboard: Use arrow keys or WASD for movement.
Mobile Controls:
Touch and drag to play. Tap buttons to interact.