The update will be available to download for $4.99 with a 10 percent launch discount for PlayStation Plus subscribers.
It adds two new playable characters and one new world to survive in over the course of one in-game year. This is the same DLC pack first released to Windows PC in May, which is why it may sound familiar.
Reign of Giants can be purchased for $4.99 from Steam and Klei's Humble Store widget. The developer released the original Don't Starve on Windows PC and Mac via its own website and on Steam last year, followed by a PS4 launch in January. For more information about Don't Starve, be sure to read our review and check out our feature on Klei Entertainment.