You have the option to play Wolfenstein: Youngblood both in solo or co-op mode. You can play co-op with your friends or random players online. If you have already bought this game, then there are two ways to play with your friends. First is if they have also purchased the game then one of you can simply host and you can play, the other case is that your friend has the demo version of the game. In this case, you have to purchase the Buddy Pass for Wolfenstein: Youngblood.
Wolfenstein: Youngblood Buddy Pass
You have to buy the Deluxe Version of Wolfenstein: Youngblood which will have the Buddy Pass included in it.
It is assumed for this guide that your friend has the demo version of this game downloaded. Now both of you have to make an account on Bethesda.Net. You can do this form the game directly.
To complete the process of registration, you have to verify your e-mail from the link in the letter sent by Bethesda.
The button at the top-right in the game opens your account. When you press that, it will open a window where you have to enter the details of your account.
If you don’t have one, you have to make a new one. Again, you have to verify your e-mail with the link provided in the e-mail they sent you.
When you click that link, you have to write a new Username and Password from your account. Make sure all the boxes are checked before continuing.
Create a Game
Simply click on “Play” and then “Create Game”. Select a sister and choose her options. After that, you can add your friend using the Bethesda.Net account and entering their nickname.
Click on “Use Buddy Pass” and invite your friend to the lobby you created. In case your friend cannot connect, try restarting the game. Using this method, you would be able to play your friends using Buddy Pass. Best of luck and enjoy!