In Until Dawn the trophies are divided into 3 groups: Story Mode, Collectibles Mode and the Various Endings. There are six different endings as it was designed to be played multiple times. There different ways to achieve the trophy. Here is the List of all the Trophies in Until Dawn and how it will be unlocked.
There are 19 Trophies in Until Dawn(1 Platinum, 9 Gold, 5 Silver, 4 Bronze) and they can be achieved in different styles of play. After completing all the objective and collecting all the other Trophies in Until Dawn you will be awarded with a Platinum Trophy -'A Symphony of Horror Trophies'. The Other trophies are listed below.
Ashley Snaps
How to unlock - After Ashley is snapped and let Chris die
Trophy - Silver
Don't Scare Jessica To Death
How to Unlock - Jessica needs to survive the Night of terror
Trophy - Silver
Fatal Grudge
How to Unlock - When Chris choses to shoot Ashley
Trophy - Bronze
Four Daughters of Darkness
How to Unlock - All girls needs to survive in until Dawn
Trophy - Gold
Instant Inferno
How to Unlock - After Sam immediately flicked the switch to set the lodge ablaze
Trophy - Silver
Let eM In
How to Unlock - When Mike allows Emily to stay in the basement
Trophy - Bronze
Night of the Totem Hunter
How to Unlock - The group found all the totems on the mountain
Trophy - Gold
Scream Too
How to Unlock - Maniac kills Sam in the Episode 5 – Prey
Trophy - Silver
The Exorcism of Emily
How to Unlock - Mike shots Emily
Trophy - Bronze
The Fateful Descent
How to Unlock - After the group founds all the clues from the 1952 Clueline
Trophy - Gold
This Is The End
How to Unlock - Nobody survived until dawn
Trophy - Gold
The Psycho Path
How to Unlock - Sam or Ashley attacks the psycho with a weapon
Trophy - Silver
The Quicker Man
How to Unlock - All the boys escaped death
Trophy - Gold
The Skilful Wolf Man
How to Unlock - Mike keeps the wolf alive throughout the Sanatorium
Trophy - Gold
The Tale of The Two Sisters
How to Unlock - The group found all the clues from the Twins Clueline
Trophy - Gold
They All Live
How to Unlock - All eight friends survived until dawn
Trophy - Gold
You Let The Wrong One In
How to Unlock - Ashley or Chris openes the trap door and let the monster in
Trophy - Bronze
You Opened Their Eyes
How to Unlock - The group founds all the clues from the Mystery Man Clueline
Trophy - Gold
A Symphony of Horror Trophies
How to unlock - Collect all Gold, Silver and Bronze trophies
Trophy - Platinum