The Fill One Line puzzle invites you to fill the playing field from the cells, having a color line for all free cells. The line should not be interrupted and intersect. The game has four complexity modes: for beginners, average, expert and master. The difficulty lies not only for the size of the field, but also in the presence of additional barriers on the field in the form of blocks that cannot be moved, they can only be bypassed. Each mode has thirty levels for passing. They can be held in any way and start at least from the end. The Fill One Line game sets democratic conditions for any level of preparedness of the player.
