Description

 Title: Amnesia: The Dark Descent Super Secret Content
Developer: Frictional Games
Publisher: Frictional Games
Genre: Survival horror
Released: 2010
Description:
After you beat the game and witness all three endings you'll get the password for the super_secret.rar archive. Within it you'll find concept sketches, game design documents, videos showcasing early builds of the game and three entries from Herbert's Lost Diary, in text and audio format.