| Achievement | How to unlock
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| - Listened to all the Voicemail messages.
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| - Rang the bell in the Prologue on the second time through.
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| - Collected all the Memory Fragments.
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| - Fill the shelves in The Case.
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| |
| - Taken every Core Memory photograph.
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| - Swapped the fuse in Restoration Chamber 3.
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| - Heard the complete tale of The Knocker.
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| - Restored all of the plaques.
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