Right-click the friend you want to join and click "View Game Info."



You should get something that looks like this. Copy the ip address.



Go to the internet games tab, right-click anywhere on the screen, then click on "open ip."



ctrl+v into the box to paste the ip you copied from step 2. Then click ok.





Have fun you bunch of little $hits ;)

Cornelius Kalom の投稿を引用：

or open your console with "~" key and type "start [paste ip here]" into it.

Thanks, fam.