Days Gone PlayStation 4 (PS4) Cheats:

Secret ending and weapon:

To view the secret ending, first complete the main story. After completing the final mission and watching the credits, you will return to the open world. You can completing any remaining side-missions, capture NERO Research Sites, and burn Freak Nests. Keep doing any of these activities. After enough time has passed, O'Brian will contact you over the radio to start the true final mission, "There's Nothing You Can Do," in the Old Pioneer Cemetery. Meet him for a huge revelation. Complete the final mission to get a secret NERO craftable weapon that uses ICPA Tech.