Fill Line: Cover Every Cell
Fill Line is a calm one-stroke logic puzzle. Start from the marked cell and draw one continuous line that fills every block on the board. You can't visit a cell twice, and there are no diagonal moves. It sounds simple, but the boards grow with every chapter and the solutions get trickier. The game has over 1,000 levels in 41 chapters. Each chapter has its own color theme, and the difficulty rises smoothly: easy breather levels alternate with hard ones, and a boss level waits at the end of every chapter. New mechanics appear along the way: double blocks you have to cross twice, bridges where the line crosses itself, and arrows that set the direction.
Play Fill Line: Cover Every Cell
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How to play
Start from the marked cell: it is already filled and pulses. Without lifting your finger or the mouse button, draw the line through neighboring cells up, down, left or right. The goal is to fill every block on the board with a single line.
Made a mistake? Drag the line back to undo steps, or tap any cell of the line to continue from there. The Undo button removes the last step, and Restart begins the level again. If you get stuck, tap Hint and the game will show the next steps.
Special cells: a block with a ring must be crossed twice; a bridge is crossed once vertically and once horizontally, and you can't turn on it; an arrow can only be passed in its direction.
On a computer: arrows or WASD — step, Z or Backspace — undo, R — restart, H — hint, Esc — pause.
Device support
The provider catalogue lists: For Android, For IOS, For Desktop. Compatibility and performance depend on your browser, device and connection.
Frequently asked questions
Do I need to install an app?
No app installation is required for this browser version. A compatible browser and internet connection are needed.
Who provides the game?
This game is supplied through the Playgama partner catalogue. Its software and artwork belong to their respective rights holders. CLAWLOYAL does not claim ownership of it.
What if it does not load?
Use the new-tab link in the player, check your connection and try a current browser. If the problem continues, report the game address and device details through our Contact page.