The specific method of unlocking the grapes in the animal restaurant is as follows:

Tools/raw materials

Demonstration computer: ultramicro X8DAL main server chassis

Computer operating system: Windows 10 Professional Edition 64-bit operating system.

1. The cafeteria is located under the ordinary restaurant.

2. The income of canteen is mainly plates.

3. Click the "Menu" option in the main interface of the game.

4. Click the "Menu" option in the tab list above.

5. Click the "Self-help" option in the tab list below.

6. Find the menu to unlock, and click View Details.

7. Click the "Learn" button to unlock the grapes.