Sand Truck orchestrates chromatic grain delivery in bustling depots. Manipulate gates to channel tones toward identical lorries seamlessly. Stockpile surpluses in bunkers during mismatches strategically. Expansive 30-stage campaign escalates complexity beautifully. Retro pixel art charms with particle flows. Acquire multi-pipe mergers and rush modes progressively. Logic and patience conquer colorful chaos. Compete on efficiency leaderboards with peers! Control pins to guide sand into correct trucks or storage.