Bronze:

• Blackout
• Finish the episode without skipping any sequence.
• Questions
• Finish the episode without skipping any sequence.
• Painful Answers
• Finish the episode without skipping any sequence.
• Fight Back and Loss
  
• Finish the episode without skipping any sequence.
• Not Alone Anymore
  
• Finish the episode without skipping any sequence.
• The Truth
  
• Finish the episode without skipping any sequence.
• The Path of Light
  
• Finish the episode without skipping any sequence.
• The Light Bringer
  
• Finish the episode without skipping any sequence.
• Basic Combination
• Tape up a bottle.
• Nuke
• Kill 3 Humanz at once.
• The Smart Fighter
• Kill any Humanz with the 'spray + lighter' combination.
• The Molotov Cocktail
• Insert a wick into a bottle with flammable content.
• Cocoon
• Burn a cocoon.
• The Air Bomb
• Throw a bottle filled with flammable liquid and shoot it mid-air.
• The Sticky Bomb
• Take a bottle filled with flammable content or a spray and combine it with an adhesive.
• Fire Bullets
• Make a fire bullet by pouring flammable liquid on it.
• The Glowstick Bomb
• Combine a taped bottle filled with flammable content or a spray with a glowstick.
• Useless!
• Combine an empty taped bottle with a wick and an emergency flare.
• The Sharpshooter
• Finish off a Humanz by shooting fire bullets at it's fissure.
• Demolition Expert
• Build the most destructive weapon.
• Fissure
• Burn a fissure.
• The Biggest of All
• Beat the Museum Monster.
• Goal!
• Kick 10 Ratz.
• Toasted Eggs
• Burn a Ratz nest.
• Vampirz
• Burn one of the Vampirz.
• Fisherman's Foe
• Shoot a goldfish.
• Unlimited Offer
• Call all contacts in your address book.
• Wired
• Hotwire a car.
• Car Thievery
• Unlock a car door after breaking the window.
• Free Gasoline
• Pierce a car gas tank and fill a bottle with the fuel.
• Never Leave a Key Here
• Find a car key in the sun visor.
• The 10 Mile Race
• Drive at least 10 miles with a vehicle.
• Bloody Mary
• Bandage 5 deep bleeding wounds.

 Silver:

• Flaming Roots
• Burn half of the roots of evil.
• Handyman Carnby
• Make all possible combinations in the inventory.

 Gold:

• A Day in Central Park
• Complete the game.
• Blazing Roots
• Burn all roots of evil.
• Eradication
• Kill 100 Humanz.

 Platinum:

• 100% Complete
• Unlock the platinum trophy by unlocking all other trophies 

Secret Trophies:

 Bronze:

• The Blind Man
• Finish the 'Wake Up' sequence without blinking
• Countdown to Death
• Stop your wound from bleeding.
• Purification by Fire
• Destroy the Vampirz' nest.
• Meet Again
• Meet Theophile in room 943.
• Revive
• Revive Sarah.
• Stuntman
• Jump across the gap using the tow truck.
• Hidden Cave
• Discover the secret of Central Park.
• The Path of Light
• Don't Kill Sarah.
• The Path of Darkness
• Kill Sarah.
• Burning Root
• Burn a root of evil.

 Silver:

• Cockpit Addict
• Drive all the way down 59th street in Cockpit view.

• Alone in the Dark: Inferno viral 'Epilogue' trailer goes Cloverfield-cam
  

Via PS3 Trophies