A free number puzzle and brain training game!
Just put correct numbers to make numbers to a continuous line like a number maze path or number knot.

How to play:
The goal of the game is to fill the grids with adjacent numbers to make an consecutive number knot.
You can put consecutive numbers that connect horizontally, vertically, or diagonally.

Features:
- Over 900 puzzles of different size grids from easy to hard . All is free to play!
- Each puzzle is well-designed that has an unique solution.
- Free hints to help you when you are in trouble.
- Save game progress automatically,you can continue to play each level anytime when you back.
- Global leadership and achievement,challenge players all around world.