Fill Line : one line puzzle game

Looking for a way to sharpen your mind and relax at the same time? Welcome to Fill: One Line Puzzle Game, the minimalist brain teaser that’s taking the world by storm. The rules are simple: connect all the squares on the grid using a single, unbroken line. It sounds easy, but as the grids grow and the paths become more complex, you’ll need every bit of logic and spatial reasoning to find the solution.
Why You’ll Love Fill:
Thousands of Levels: From beginner-friendly 4x4 grids to expert-level challenges.
Daily Brain Training
Minimalist Design
No Time Pressure
Stuck? No Problem

Start at the designated block.
Drag your finger to fill all the remaining blocks.
The Catch: You cannot overlap lines or revisit a block you’ve already filled!

4.1 average out of 29 user votes

No comments yet. Be the first to share your gameplay tips!