Here is the full list of all 41 Amnesia: Rebirth achievements.
Collected all the other achievements.
Completed the game faster than any Frictional developer.
Found all Hank's notes on the crew of the Cassandra.
Left when things were getting interesting in Amnesia: Rebirth.
Resisted fear, and resisted anger.
Found all the memories recorded by others.
Spared an innocent, perhaps dooming an unborn child.
Burned a forest's worth of matches to illuminate dark places.
Sent extra objects through the portal in the Alchemist's Chambers.
Popped the lid on some carefully stored meat.
Smashed lots of irreplaceable objects.
Found an unfinished letter from an archaeologist to his sister.
Escaped a cage in the Arsenal without setting off a grenade.
Escaped to Paris with a daughter that must now be cared for.
Left a daughter in the care of a god, and was reborn.
Completed the story.
Sacrificed everything to cast down a god and end suffering.
Gave birth to a daughter, only to lose her.
Reached the doctor.
Failed to reach a child, separated by deep waters.
Tortured an innocent to aid an unborn child.
Operated a scanning device, and learned of a child's illness.
Activated a portal between worlds.
Kept quiet and still, and so escaped a predator's gaze.
Drained the fear and the life from a crewmember.
Activated the alchemists' device.
Escaped the Shadow.
Took a walk in the park.
Travelled through the desert.
Found treasure beneath the water.
Found a way through the ruined cistern.
Took time to talk with an unborn child.
Fired a cannon at the fortress gate.
Explored the inner fortress, and spoke to the doctor.
Gazed at a reflection in the water.
Followed the pilgrim's trail to take refuge in the fort.
Carried on with life, despite Salim's fate.
Dreamed of Paris.
Collected notes to fill a journal.
Followed Salim's trail.
Awoke with fragmentary memories after the crash of the Cassandra.