Drag one item onto an identical item to merge them into a higher-level ingredient or tool. Tap producers to create items, complete customer orders to earn coins and experience, manage energy, and spend rewards on renovating the cafe. Keep merging and completing tasks to unlock new recipes, areas, and story chapters. Controls: use the mouse to click, drag, and drop on desktop; tap and drag on touch devices. Menu and shop buttons are selected with a click or tap.