Full list of all 28 The Raven achievements worth 400 gamerscore. It takes around 3-4 hours to unlock all of the achievements in the base game on Xbox 360.
The base game contains 12 achievements worth 200 Gamerscore, and there are 2 DLC packs containing 16 achievements worth 200 Gamerscore.
You have freed yourself from the bonds.
You have saved Matt. You're a hero!
You have caught the runaway train!
You have built a functioning torch!
You have survived the explosion in the freight car.
You have found the baroness' purse.
You have switched on the radio in the saloon car.
Analyze the fingerprints on the window.
Light more than 5 matches.
Examine all objects in the baroness' cabin.
Exercise care in analyzing evidence.
Finish episode 1.
Correctly reconstruct the murder's course of events .
Examine all exhibits in the museum's main hall.
Correctly guess the villains identity.
Disguise as a conductor.
Serve coffee to the doctor.
Find a way to board the ship.
Finish episode 2.
Find the baroness' secret compartment.
Find out all four animal symbols.
Witness Dr. Gebhardt's end.
Play with the dog three times.
Find the entrance to the secret basement!
Abseil to the treasure chamber.
Survive the explosion in the treasure chamber
Finish episode 3.
Unlock all bonus material.