#100 Top Free in 30 countries.
"OpenValve" is a traditional pipe puzzle game. The goal is to connect pipes scattered from start to end . Playing time will decrease the level of difficulty increases.
Features:– 250 levels.– Online ranking support.– Turn off the timer options.
Control:– To rotate to the angle you want to touch the pipe.– All of the pipe connection is complete, click the button to open valve.