Classic
Original rules of the base game.
Casual / 9 modes
Ball Sort
Turn a colorful tangle into beautifully ordered tubes.
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One game. Several approaches.
Pour
Transfer the maximal top run of one color that fits the destination.
Different capacities
Colors have different ball counts; gather each complete color in one vessel that can hold it.
Color lock
The last tube unlocks after gathering four ① balls. It then stays open; undo restores its prior state.
Hidden layers
Only the top ball of each tube is visible. A transfer exposes the next ball; hidden colors are omitted from labels and tooltips.
Ordered recipes
Recreate the displayed bottom-to-top sequence in each designated tube. Any color may be placed on any other if space remains.
Mixing laboratory
In mixer Σ, combine ① and a rank from ② to the penultimate rank into the next rank. Collect four final products in receiver P, which only accepts products.
One-way vessels
Tube 1 only gives and tube 2 only receives. The others follow normal rules; collect each complete color in one tube.
Cold vessel
A poured-into vessel switches to the next color in a visible cycle.