Serve your customers at your eating house, comply with their orders and earn every day a certain amount of money to pass to the next level.
Click the customer, then click a table; when the customer raises his hand, click him to see the order, then click again to make his order to appear on the bar. When the corresponding dish is ready on the bar, click there to go for it, then click on the customer to deliver it. When he leaves and the table is empty, click it to pick up the money. In the same way you proceed with all customers, and you can deal with several at once.