Among all free casual games online there are a number of hidden gems which keep you absorbed by seeming simplicity and sophisticated gameplay. Lines is definitely one of them. This award-winning drawing puzzle game online offers six game modes to put you logic skills to test. Each level is a pattern, which fills with color with a certain place, and your goal is to win the most of it. Depending on the game mode, you have to either draw a dot or two on the pattern, erase enemy dots, draw or remove lines of the pattern, or even place teleports. This brain-teaser can also prove a fun game for kids, and an addictive online game for elders.