God of War Ragnarok - Gain access to the Armor of the Black Bear set for Kratos at the first Lost Items chest in the Realm Between Realms (previously only accessible in a New Game+ run) and a resource bundle (500 Hacksilver and 250 XP)

However, to incentivize you to still sign in with a PSN account while playing those games, Sony says that it will “soon” be adding “in-game content unlocks” like outfits a

"An account for PlayStation Network will become optional for these titles on PC," said PlayStation in a post including Spider-Man 2, and The Last Of Us Part II.