Complete the following tasks to unlock PlayStation 4 trophy rewards.

Achievement	How to unlock
Beep (Silver)	Unlock the Robot.
Case Closed (Silver)	Unlock the Bullet.
Deadliest Game (Bronze)	Kill the Hunter's Past.
Double Jeopardy (Bronze)	Kill the Convict's Past.
Exorcist (Bronze)	Kill a Jammed Boss.
Grate Hall (Bronze)	Access the Oubliette.
Gun Game (Silver)	Complete the game with the Sorceress's Enchanted Gun.
Gungeon Master (Gold)	Clear the Sixth Chamber.
Historian (Silver)	Complete all 4 main character Pasts.
I Knew Someone Would Do It (Bronze)	Why.
Jammed (Bronze)	You've met with a terrible fate, haven't you.
Lion Leap (Bronze)	Fall at the last second.
Not Just A Box (Bronze)	Get the jump on a Mimic.
Reverence for the Dead (Bronze)	Access the Temple.
Squad Captain (Bronze)	Kill the Marine's Past.
The Password (Bronze)	Accessed the Hidden Market.
Time Paradox (Bronze)	Die in the Past.
Wingman (Bronze)	Kill the Pilot's Past.