No ads, no in app purchases. Lonely Line is a very basic puzzle game with only 32 puzzle pieces. Turn these pieces so you form one line. This is the link to the play store: https://play.google.com/store/apps/details?id=com.marcelopars.lonelyline And this is a screenshot of one of the 100 levels: Levels vary from easy to extremely hard, but don't worry, each level gives you 3 hints for free. Good luck, have fun and tell me what you think of it.