Suido Pipe Puzzles
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About the game
Suido means waterworks: the pipes that carry water. The game gives you a board of pipe pieces, each one a straight, a bend, a tee or a cross, all set in the wrong direction. A pump sits on one cell and drains (rings) sit on others. Turn the pieces one tap at a time until the water from the pump reaches every drain through a connected pipe, with no open ends left leaking.
Levels come in blocks of sixteen and grow from 7 x 7 to very large boards, and the "Big pieces" set uses pieces that cover several cells. Besides the levels there is a "Make a board" mode, where you set the size, and the game builds a fresh board for you from a seed. Each level shows a par for the number of turns, so you can try to solve it economically, and a hint is there when you are stuck.
Playing it here
Click Play. Choose Levels or Make a board, then "By size" or "Big pieces", and a level with the arrows or by typing its number; "Today" opens the level of the day. Tap a piece to turn it (the button at the bottom chooses clockwise or anti-clockwise). The line under the board counts the pieces and open ends the water has reached, your turns, the par and the hints you used. "Start over" resets the level, "Hint" shows a move, and "Timer" adds a clock. The block map below shows which levels you have solved; solving a whole block opens the next. Progress stays in this browser.
Controls
| Input | Action |
|---|---|
| tap a piece | turn it |
| Turning button | switch clockwise / anti-clockwise |
| Hint | show a useful turn |
| Start over | reset the level |
| Today | the level of the day |
A few things worth knowing
Start from the pump. Follow the water outward and fix the first leak you see.
Lock in the certain pieces. Pieces at the edges and corners only have one right way; set them first.
Check the par. If your turns are far over par, a piece early on was probably turned more than needed.
Questions
Can I make my own boards? Yes: choose Make a board, set the size and the game builds one.
Is the water animated? The pieces the water reaches are lit as you turn them, so you see the flow grow.
Credits and licence
The code, the drawings and the puzzle levels are by John Morris, under the MIT licence; nothing else is bundled with the game.