Sludge is pouring in from the surface, headed for the town's soil, and your job is to route it through a maze of pipes into the biohazard tank before it leaks out.
Each level gives you a fixed set of pipe pieces and a tank to reach. Drop pieces anywhere on the grid, spin any pipe in place, and seal a path before the sludge catches up to an open end. You can stash a piece to use later, and retry a level as many times as you like.
Twenty hand-built levels that ramp up as you go, from simple detours around obstacles to forced loops where every branch has to find its way back. The moment a level is sealed the sludge rushes home, so you have to plan fast.
A pipe puzzle game that plays on a phone or a computer.
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