Can you play the same game on two PS4 at the same time?
You can only go through this process (which lets you play the same game on two consoles simultaneously) with one person. In sum, don't try to play a game with three other people, as your primary account may be flagged or immediately blocked.
Can I play my PS4 games on a different PS4?
Your PS4 offers two ways to share games — by designating another console as the primary PS4, or by activating Share Play. To give a friend access to your game library, sign in with your PSN account and set that console as your primary PS4.
Can you play the same game on two different consoles?
For example, if you have other consoles in your home and other people want to play the same game with you using those additional consoles, each console must have its own copy of the game.
How do I share games between two PS4 consoles?