To install Burraco and Pinelle on your Mac you must download it by clicking on the following link.
Click on the black MacOS button and wait for the application to be downloaded.
 
 
Now go to the folder where burraco was downloaded, it should be in the Downloads folder:

 
Press the RIGHT button on burraco and click on New Terminal and Folder.
 
A screen will open with a flashing cursor, you have to write cd .. (there is a space before the two dots) and press ENTER, as shown in the following image
 
Now you will have to type sudo xattr -d com.apple.quarantine burraco.app and press ENTER, as shown in the following image

 
Now you will have to enter your password that you use as administrator of your MAC and press ENTER, as shown in the following image:
 
Now you can launch the game by double-clicking with the left mouse button on Burraco in the Downloads, as shown in the following image.
Have fun!