First-party

Full definition of first-party

Of or relating to someone directly involved in a given transaction, such as a buyer or seller.
Of or relating to the plaintiff in a lawsuit.
(video games) Of a video game, developed and published by company responsible for the platform on which it is released (or its internal developers), as opposed to third-party.first-party video game
(video games) Originating from such a video game.first-party character