Dive into the world of fascinating logic and test your mind in an exciting puzzle! Your task is to draw a line across the entire playing field, filling it completely, but keep in mind: there will be obstacles on the way that you need to bypass. The game offers many levels, from simple to incredibly difficult, allowing each player to choose a suitable challenge. Each level is unique: thoughtful routes, various field shapes and unexpectedly located barriers will force you to look for non-standard solutions. Fill One Line, puzzle game, online puzzle, brain game, logic puzzle, HTML5 game, free game, arcade game, casual game, iOS, Android, web browser, one-line puzzle, challenge, levels, obstacles, kids, strategy, thinking, free html5 games for website