Numberlink unlimited FAQ
What is Numberlink?
Numberlink is a number path logic puzzle: draw one continuous line that fills the grid and passes the numbered cells in order. Thick bars are walls the line cannot cross.
How is this different from the Zip puzzle on the home page?
Same rules, wider range. The home page offers 6×6 to 8×8 boards; this page adds a gentler 5×5 and much bigger 9×9 and 10×10 boards for longer solves.
Is every board solvable?
Yes. Boards are built from a hidden complete path, so a full solution always exists. If you get stuck, tap a cell on your path to rewind or hit Reset.
Can I play on a phone?
Yes. Tap a neighbor to extend the path or drag a finger across cells. The page is static — nothing to install, no account.
Can the path move diagonally?
No. Legal steps are only up, down, left, or right, and never through a wall.