Just connect all pipes of the same color and let the water flow free. The rule is simple: Pair the right color! Keep your brain active and sharp, analyze all the possibilities and try to finish all puzzles without using the hints button. In total there are Thousands of free levels, ranging from easy to difficult challenges . What Makes Us Special ✓ 1. The most simple gameplay: drag ✓ 2. Thousands of challenging levels and more to come ✓ 3. Stuck? Just use the hints button ✓ 4. Free to play, fun and relax without move or time limit. Let's play Pipe Line today to relax your brain and see how much fun it is!!!