"Filling Lines" is a creative and interesting casual puzzle game. Its core gameplay is to connect dots or patterns of the same color with lines to fill the entire game area or complete specific graphics. Players need to use logical thinking and spatial planning ability to reasonably arrange the direction of the lines to achieve the best filling effect. There are diverse level designs in the game. It has a large number of carefully designed levels, and each level has a unique layout and task goal. In some levels, players need to fill a complex geometric figure, while in others, they may need to fill multiple scattered areas completely. As the levels progress, the difficulty will gradually increase. The shape of the game area becomes more irregular, and the color distribution is more complex, which poses higher requirements for players' strategic planning and adaptability.