Single line is simple and brain-training/challenging puzzle game . It is the best way to test your logic skills, brain abilities and IQ with qualitative scales. Enjoy this brain training game anytime anywhere with fun. It is deceptively simple, yet profoundly deep. Features : - Fit for all age group - No require any internet connection - Clean and colorful graphics with smooth animation - Huge amount of challenging levels - Allow finger drag and tap to complete puzzle - Use hint when you have no idea to solve puzzle How To Play - Connect all the pints/dots with just single line.