Color Flow

Works fully offline Games

Draw pipes between matching dots. Pipes can't cross or overlap, and to win you have to fill every square on the board.

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Filled0%
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Streak0

Connect each pair of matching dots.

How to Play

  1. Press on a dot and drag to draw a pipe towards the dot with the same colour and letter.
  2. Pipes move horizontally or vertically, one square at a time, and can't cross other pipes.
  3. Drawing over another pipe cuts it. Drag back along your own pipe to undo part of it.
  4. Connect every pair and cover every square to solve the board.
  5. With the keyboard, move with the arrow keys, press Space on a dot to start drawing, use the arrows to draw, and press Space again to finish.

Tips & Strategy

  • Dots on the edges and in corners have the fewest ways out, so connect them first.
  • If a pair's dots are close together, the pipe probably isn't the short, direct route. The squares around it still need filling.
  • A pipe that runs along the wall rarely blocks anything else.
  • Fill the board as you go. A square that only one pipe can reach shows you where that pipe must run.

Frequently Asked Questions

Yes. Each board is made by drawing one long path through every square and cutting it into pieces, so a full solution always exists. Any solution that connects every pair and fills the board counts.

Yes. Connecting all the pairs is only half of it: the board is solved when every square is covered by a pipe.

At midnight in your own time zone. Everyone gets the same 7x7 board on the same date.

Yes. Every pair of dots also has a matching letter, so you can play by the letters alone.

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