Welcome to the world of Fill Line puzzles with lines. You will have four difficulty levels to choose from: easy, medium, expert and master. The first two modes have one hundred levels each, and the expert and master modes have fifty levels each. The task is to fill the playing field with a line, drawing it without lifting your hand. Take into account various obstacles and fill all the free tiles. Start with a simple level to gain experience and understand the principle of the game. With a gradual increase in difficulty, you won't even understand how you will get to the last mode and become a master in Fill Line.