Here is the full list of all 41 Amnesia: Rebirth achievements.
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.
Drained the fear and the life from a crewmember.
Burned a forest's worth of matches to illuminate dark places.
Activated the alchemists' device.
Collected notes to fill a journal.
Escaped the Shadow.
Took a walk in the park.
Travelled through the desert.
Found a way through the ruined cistern.
Popped the lid on some carefully stored meat.
Fired a cannon at the fortress gate.
Escaped a cage in the Arsenal without setting off a grenade.
Gazed at a reflection in the water.
Took time to talk with an unborn child.
Explored the inner fortress, and spoke to the doctor.
Found an unfinished letter from an archaeologist to his sister.
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.
Collected all the other achievements.
Spared an innocent, perhaps dooming an unborn child.
Left a daughter in the care of a god, and was reborn.
Escaped to Paris with a daughter that must now be cared for.
Resisted fear, and resisted anger.
Kept quiet and still, and so escaped a predator's gaze.
Found treasure beneath the water.
Completed the game faster than any Frictional developer.
Smashed lots of irreplaceable objects.
Left when things were getting interesting in Amnesia: Rebirth.
Sent extra objects through the portal in the Alchemist's Chambers.
Found all the memories recorded by others.
Found all Hank's notes on the crew of the Cassandra.