Here is the full list of all 40 Until Dawn: Rush of Blood trophies - there are 21 bronze, 16 silver, 2 gold and 1 platinum.
Collect all the skittles
Finish 'Final Inferno' on Insane
See all the 'Moment of sanity' sequences
Complete a level using only pistols
Collect all the skittles in one level
Die from hitting head on a barrier
Beat a previous set score on a level
Complete a level using only one hand
Get killed by a sawblade
Finish 'Mines of Death' on Insane
Finish 'Ghost Town' on Insane
Die from spider venom
Finish 'Psycho Cellblock' on Insane
Finish 'Hotel Hell' on Insane
Finish 'Nightmare Descent' on Insane
Finish 'Haunted Lodge' on Insane
Finish 'Final Inferno'
Finish the story on any difficulty
Finish 'Mines of Death'
Finish 'Ghost Town'
Get 100 headshots
Have picked up all weapons
Finish 'Psycho Cellblock'
Kill 20 enemies with barrels
Dual wield Revolvers
Blast off 100 limbs
Dual wield Machine Pistols
Hit three targets with one shot from the Revolver
Finish 'Hotel Hell'
Reach multiplier x8
Finish 'Nightmare Descent'
Get > 80% accuracy on a level
Hit three or more targets with a blast from the shotgun
Dual wield Shotguns
Finish 'Haunted Lodge'
Pick up a new weapon
Shoot all the moving ducks in 'Haunted Lodge'
Reach multiplier x4
Collect all trophies
Finish the story on Psychotic