One Touch Color Line

One Touch Color Line is a simple brain puzzle game.
Rules
- Connect all the cells of the game field with one line.
- Start at cell number 1 and finish at the biggest number.
- Follow the sequence of numbers.
- Lines can not intersect.
One Touch Color Line has 8 categories of complexity (4 x 4, 5 x 5, ..., 11 x 11).
Each category has 100 - 1000 tasks.
There are more than 4000 tasks.
Button 'Solution' is available without restrictions.