1. Launch the game and select the first level to start playing.

2. As customers come to your restaurant, they will place orders for hamburgers.

3. Tap the ingredients at the bottom of the screen to add them to the hamburger. You'll need to add the correct ingredients in the correct order to fulfill the customer's order.

4. Assemble the hamburger by tapping on the ingredients to stack them in the correct order.

5. Once the hamburger is complete, tap the tray at the bottom of the screen to serve it to the customer.

6. The customer will rate the quality of the hamburger and tip you based on their satisfaction.

7. Use the money you earn to upgrade your restaurant, buy new ingredients, and attract more customers.

8. Complete each level by serving a certain number of customers within the time limit.

9. If you take too long or make too many mistakes, the customer will leave and you'll lose potential earnings.