Here is the full list of all 19 Until Dawn trophies - there are 4 bronze, 5 silver, 9 gold and 1 platinum.
You collected all Gold, Silver and Bronze trophies in Until Dawn
Nobody survived until dawn
Ashley snapped and let Chris die
Mike shot Emily
The group found all the clues from the 1952 Clueline
All of the girls survived until dawn
All eight friends survived until dawn
All the boys escaped death
The group found all the totems on the mountain
The group found all the clues from the Twins Clueline
The group found all the clues from the Mystery Man Clueline
Chris chose to shoot Ashley
Jessica survived her night of terror
Sam immediately flicked the switch to set the lodge ablaze
Mike kept the wolf alive throughout the Sanatorium
Ashley or Chris opened the trap door and let the monster in
Mike allowed Emily to stay in the basement
Sam or Ashley attacked the psycho with a weapon
Mike cut off his fingers to free himself from the bear trap