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Color Sort is a pouring puzzle. Tap a source tube, then a destination. Liquid moves only if the tops match or the destination is empty, and only as far as free space allows. Letters mark colors so similar hues stay readable. A board is finished when every filled tube holds a single color. Empty tubes are the working space. Five mixes make a full run.
Tap source, then tap destination. There is no drag pour and no keyboard select.
Make every filled tube a single color on all five mixes.
Drop crates and keep the beam level.