Objective:Sort the colored balls into tubes so each tube contains only one color. Each tube holds exactly 4 balls.
Controls:
Click a tube to pick up its top ball
Click another tube to drop the ball there
Press Z or click Undo to revert
Click New or press R for restart
Rules:You can only move the top ball of a tube. You can only place a ball on top of another ball of the same color, or into an empty tube. Each tube holds a maximum of 4 balls.
Tips:Use empty tubes as temporary storage. Try to free up tubes by completing one color at a time.
Sort colored liquids into separate tubes. Pour from one tube to another to group matching colors. Satisfying puzzle with simple rules but complex solutions.