Boards from 5×5 to 9×9, with bridges and obstacles
0/2
Obstacles
A blocked square. No pipe can enter it, so you have to route around it, and it doesn't count toward filling the board.
Bridges
Two pipes cross here: one running left–right, the other top–bottom. A pipe must pass straight through. It can't turn on a bridge, and each direction fits only one pipe. To finish the board, both lanes must be used.
Walls
Walls between squares, on 5×5 to 7×7 boards
0/6
Walls
A wall sits on the line between two squares. No pipe can cross it, so two neighbouring squares are cut off from each other. Every square still has to be filled.
Ultra Premium
20 hand-built levels with walls, obstacles and bridges. One solution each.
0/20
0:00.0
Easy · Level 1
Pipes0/4
Moves0
Filled0%
Best time—
Level
Solved!
Drag from a dot to draw its pipe. Drag back over a pipe to undo it. Click anywhere on a pipe to redo it from that square. To break a finished pipe outright, drag another pipe right across it and out the other side. Let go while still on top of it and nothing breaks. Keyboard:Q/E pick a colour, WASD or the arrows draw it, Backspace steps back, X clears the pipe, H hint. Joining the dots is the easy part. The puzzle is routing them so no square is left empty.