| Achievement | How to unlock
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| - Inspect the vent in Chapter 1.
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| - Find the hidden note in the warehouse area.
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| - Rest long enough and find a lost item.
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| - Complete Chapter 1 on Nightmare difficulty.
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| - Complete Chapter 2 on Nightmare difficulty.
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| - Complete Chapter 3 on Nightmare difficulty.
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| - Complete Chapter 4 on Nightmare difficulty.
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| - Use Epinephrine and become a killing machine.
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| - See what happens when you take two Epinephrine injections at once.
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| - Kill an enemy with an explosion.
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| - Land a critical hit on a Hunter Entity.
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| - Don't leave the stage during the assault.
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| - Find the saferoom with the strange view.
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| - See what C-Safe has left behind.
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| - Find the lost document stolen from the C-Safe Directors office.
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