Draw a line randomly, which will crawl along just like a bug, it's really interesting.
You need to draw a line, then this line crawl along automatically with the route you design to fill blank color lumps. But pay attention to that a line with one color can only fill one-colored lump.
1. Funny: draw lines, then crawl along.
2. Various: single color and multicolor
3. Challenging: straight line and curved line
4. Focused: with concise and fresh graphics
5. Elaborately designed: over 75 puzzles
6. Support iOS 8 and iPhone 6 & 6 Plus