Playing Aqua Sort

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Keep a spare tube empty as long as you can: on 8-color levels there are only 2, and filling both early usually means reaching for Undo.

Tap a tube to lift it, then tap another tube to pour. Liquid only pours onto the same color or into an empty tube, and all matching layers on top move together as far as there is room. A tube filled with four layers of one color gets a cork and is finished. The level is clear when every tube is one color or empty. Stuck? Undo steps back one pour, Hint shows the next pour of a shortest route, and +1 Tube adds a spare tube once per level.

Tap or Click two tubesSelect and pour test tubeKeys 1 – 9, 0Quick select tubes by indexArrow keys, Enter or SpaceMove between tubes and lift or pourZ or BackspaceUndo previous pourH keyRequest solver hintR keyRestart current puzzle