Pipe Challenge is fun addicting html5 game and you can play it for free. The aim of the game is to connect all pipes to enter a new level. Click on the pipes to rotate it. Have fun playing. Pipe Challenge, puzzle game, HTML5 game, free online game, arcade game, skill game, thinking game, addictive game, pipe puzzles, level up, mobile game, online puzzle, brain teaser, reaction time, problem solving