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 trophies
Collect all the skittles
See all the 'Moment of sanity' sequences
Die from hitting head on a barrier
Finish 'Final Inferno' on Insane
Finish the story on Psychotic
Finish 'Mines of Death' on Insane
Finish 'Ghost Town' on Insane
Collect all the skittles in one level
Finish 'Psycho Cellblock' on Insane
Kill 20 enemies with barrels
Finish 'Hotel Hell' on Insane
Complete a level using only pistols
Finish 'Nightmare Descent' on Insane
Get killed by a sawblade
Beat a previous set score on a level
Get > 80% accuracy on a level
Complete a level using only one hand
Finish 'Haunted Lodge' on Insane
Finish the story on any difficulty
Finish 'Final Inferno'
Finish 'Mines of Death'
Hit three targets with one shot from the Revolver
Finish 'Ghost Town'
Die from spider venom
Have picked up all weapons
Get 100 headshots
Finish 'Psycho Cellblock'
Dual wield Machine Pistols
Finish 'Hotel Hell'
Blast off 100 limbs
Dual wield Revolvers
Finish 'Nightmare Descent'
Reach multiplier x8
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