PlayStation versions of the game have access for unique Rifts to spawn as The Last of Us Rifts, with accompanying atmosphere, clickers, and other zombies.
PlayStation players will also receive an exclusive Shadow of the Colossus armor transmogrification option that they can access any time after freeing the Mystic.
If you haven’t played the PS2 classic yet, do it. It’s also been re-released on PS3 and remixed with HD quality. The mechanics of the PS3 version are much cleaner as well. You can purchase the digital copy for PS3 here: Shadow of the Colossus