You must serve the customers as quickly as possible and you must get their orders right, if you loose customers the game is over.
use your mouse to play this game, when your customer comes in they will show you what they want on their tray above their head, click on these itemsto put them in your tray than click on your tray and drag the tray to the right customer, as soon as you see the money click on it to get it, than onto the next customer.