Dart Veider

Numbricks Puzzle Books - 400 Easy to Master Puzzles 12x12 (Volume 4) Dart Veider

Numbricks is a type of logic puzzle.
It is played on a rectangular grid of squares.
Some of the cells have numbers in them.
The object is to fill in the missing numbers, in sequential order, going horizontally and vertically only.
Diagonal paths are not allowed.

Numbricks puzzles are similar to Hidato. The most important difference that it is only possible to move 1 node left, right, up, or down.