Steam AchievementsTo unlock the following, you have to play the game and collect/Earn achievements. You can find those earned achievements in your Game-Main menu or you can view them if you signup at one of the Steam communities.
Unlockable:How to Unlock:AlchemistRemoved the Shadow's residue in the entrance hall in Amnesia: The Dark Descent.AltruistNot a single victim died in Amnesia: Justine.BenefactorRescued Agrippa in Amnesia: The Dark Descent.DescendantTaken a rough ride on an elevator in Amnesia: The Dark Descent.EgotistNot a single victim survived in Amnesia: Justine.Escape ArtistEscaped the creature in the water in Amnesia: The Dark Descent.IlluminatusPicked up every tinderbox in Amnesia: The Dark Descent.InsanityAchieved all other achievements.MasochistMy name is. Have made life. Exceptionally hard for myself.Master ArchivistRead all notes in all games.NOPELeft when things were getting interesting in Amnesia: The Dark Descent.PipeworkerLowered the water level in the cistern to reveal a new way out in Amnesia: The Dark Descent.QuitterFailed to escape the cells and was consumed by the Shadow in Amnesia: The Dark Descent.RestorerCollected the pieces of the orb and rebuilt it in Amnesia: The Dark Descent.SacrificeAllowed Alexander to escape in Amnesia: The Dark Descent.Still AliveBecame aware of the merits of A.S. S Span-space Device in Amnesia: Justine.SurvivorKilled Alexander and escaped the castle in Amnesia: The Dark Descent.VacillatorSome victims died, some lived in Amnesia: Justine.Spike7, Nov 3, 2016.