| Achievement | How to unlock
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- "There's Something in Here"
| - Clear Episode Four in Invisible Mode.
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- "You are Authorized to Panic"
| - Clear Episode Four in Countdown Mode.
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- I'm Not Leaving Without My Medal
| - Get all medals in Episode Four.
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| |
- What You Can't See Can Kill You
| - Defeat six or more Glasps in the monument in Claire's Episode Four, on Normal difficulty or higher.
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