Fill — Game Guide
Fill every cell on the grid by drawing a single continuous line. Free, instant to start, plays in any browser — no download or account required.
▶ Play Fill FreeWhat is Fill?
Fill is one of those games that's easy to start but tricky to put down. Fill every cell on the grid by drawing a single continuous line — all in your browser, no installs.
The game runs entirely in your browser, so your phone, tablet, or computer will all work fine. No downloads, no waiting around.
If Fill clicks with you, scroll down — there are more puzzle games on this page worth trying.
Quick Facts
Genre
Puzzle
Platform
Browser (any device)
Cost
Free
Download
None
Controls
Click or drag from cell to cell. Your line must pass through every cell exactly once.
Most things are pretty intuitive once you start playing. If something feels off, the first level usually doubles as a tutorial.
Tips for New Players
- Start from a corner or edge cell — it limits your first move, which actually makes planning easier.
- If the grid has an odd-shaped area, figure out how to enter and exit that area first.
- Dead ends mean you started wrong. If you cannot reach the last few cells, restart and try a new path.
- On larger grids, mentally break the board into sections and figure out the order to visit each section.
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Ready to give it a try?
▶ Play Fill Now