About Water Sort
Water Sort gives you a row of glass tubes filled with layers of coloured water, all mixed up, and two empty tubes to work with. Tap a tube and then another to pour: the top colour runs across, as many layers as fit, but only into an empty tube or onto the same colour. Sort every tube into a single colour to win. Each colour also has its own symbol, so the puzzle works for colour-blind players too.
How to play Water Sort
- Tap a tube, then the tube to pour into. The top colour runs across, as many layers as fit, if that tube is empty or has the same colour on top.
- A tube holds four layers. Sort the water so every tube is empty or full of a single colour; a finished tube gets a cork.
- Each colour also carries a symbol, so colours that look alike can be told apart. Two tubes start empty; once a game you can add an extra tube, for five moves.
- Fewest moves wins, then the fastest time. Easy days have 5 or 6 colours, medium 8 or 9 and hard 10 to 12. Every puzzle has been checked solvable.
Tips & strategy
- An empty tube is your most precious tool. Fill it with a colour you can complete soon, not with one you will have to move again.
- Look for colours that are already on top of two tubes: pouring one onto the other is a free step forward.
- Count the layers: a tube with three of a colour at the bottom only needs one more pour to finish.
- If you get stuck, Undo is free. The extra tube helps too, but it adds five moves to your count.
Water Sort: questions and answers
When can I pour?
When the tube you pour into is empty, or its top colour matches the colour you are pouring, and it has room. As many layers of that colour run across as fit; a tube holds four.
Can every puzzle be solved?
Yes. A computer solver sorts every puzzle with only the two empty tubes before it is used.
How is Water Sort ranked?
Fewest moves first, then the fastest time. Each pour is a move, and the extra tube counts five.
What changes with the difficulty?
The number of colours: five or six on easy days, eight or nine on medium days and ten to twelve on hard days, always with two empty tubes.