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've finished episode 1.
You have exercised care and analyzed the bullets.
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 lit 5 matches.
You have survived the explosion in the freight car.
You have analyzed the fingerprints on the window.
You have found the baroness' purse.
You have switched on the radio in the saloon car.
Examine all objects in the baroness' cabin.
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.