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.
Found all the memories recorded by others.
Spared an innocent, perhaps dooming an unborn child.
Sent extra objects through the portal in the Alchemist's Chambers.
Escaped a cage in the Arsenal without setting off a grenade.
Left when things were getting interesting in Amnesia: Rebirth.
Left a daughter in the care of a god, and was reborn.
Escaped to Paris with a daughter that must now be cared for.
Completed the story.
Sacrificed everything to cast down a god and end suffering.
Resisted fear, and resisted anger.
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.
Drained the fear and the life from a crewmember.
Activated the alchemists' device.
Collected notes to fill a journal.
Burned a forest's worth of matches to illuminate dark places.
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.
Popped the lid on some carefully stored meat.
Kept quiet and still, and so escaped a predator's gaze.
Took time to talk with an unborn child.
Fired a cannon at the fortress gate.
Explored the inner fortress, and spoke to the doctor.
Smashed lots of irreplaceable objects.
Found an unfinished letter from an archaeologist to his sister.
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.
Followed Salim's trail.
Awoke with fragmentary memories after the crash of the Cassandra.