Originally Posted by
VR Question Do both parties in online games need the same game disc in their respective machines or does only one party need the actual disc? Sorry I am a complete beginner to this so am woefully ignorant.
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You mentioned game disc which leads to believe it might be you preferred way of purchasing a game which is totally fine. If say your game disc is Battlefield 1, your friend(s) will need to either
get their own game disc or
purchase the full game through the PlayStation Store and it will be downloaded to the PS4's hard drive then you will be able to game together.
Good information by pkcable as well.