Filling Lines — Game Guide
Fill the grid with colored lines in this satisfying logic puzzle. Free, instant to start, plays in any browser — no download or account required.
▶ Play Filling Lines FreeWhat is Filling Lines?
Filling Lines is one of those games that's easy to start but tricky to put down. Fill the grid with colored lines in this satisfying logic puzzle — 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 Filling Lines 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 a color dot and drag to draw the line. Fill every cell on the board to solve it.
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 with the longest path first. Short paths are easier to fit in around longer ones.
- If two dots are in opposite corners, their line probably runs along the edges.
- Stuck? Look for dots that are next to each other — that path is just one cell long, giving you a freebie.
- Every cell must be filled. If you see an empty cell you cannot reach, undo and reroute.
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Ready to give it a try?
▶ Play Filling Lines Now