If you do not both own the game but still want to experience it together, you can use the mode. Player Limit: Supports 2 to 5 players .
To play over the network, you must use the mode. Player Limit: Strictly limited to 2 players online. If you do not both own the game
You can play this mode over the internet without your friend owning the game by using streaming features like Steam Remote Play or PlayStation's Share Play . 🛠️ How to Start an Online "Shared Story" If you do not both own the game