The Evil Within

1. 
   Weapon of ChoiceSecret

   Steam withholds the description of a secret achievement.
   49%
2. 
   Old FlameSecret

   Steam withholds the description of a secret achievement.
   41%
3. 
   Two on TwoSecret

   Steam withholds the description of a secret achievement.
   38%
4. 
   What's in the Box?Secret

   Steam withholds the description of a secret achievement.
   35%
5. 
   The First, Not the LastSecret

   Steam withholds the description of a secret achievement.
   30%
6. 
   ArachnophobiaSecret

   Steam withholds the description of a secret achievement.
   28%
7. 
   Slither into OblivionSecret

   Steam withholds the description of a secret achievement.
   27%
8. 
   One of the ManySecret

   Steam withholds the description of a secret achievement.
   27%
9. 
   First Step into Darkness

   Complete the game on Casual difficulty.
   27%
10. 
    Another Day on the Job

    Complete the game on Survival difficulty.
    18%
11. 
    Master of Horror

    Complete the game on Nightmare difficulty.
    3.3%
12. 
    Every Nook and Cranny

    Collect every collectable in the game.
    3.3%
13. 
    Master of Unlocking

    Open up all the lockers in the save room.
    4.5%
14. 
    Hardbody

    Fully upgrade all of Sebastian's attributes.
    9.6%
15. 
    My Best Friend

    Completely upgrade one weapon.
    14%
16. 
    The Power of Three

    Completely upgrade three weapons.
    7.7%
17. 
    Unstoppable Arsenal

    Completely upgrade all weapons.
    5.1%
18. 
    Why Can't I Hold All This Ammo?

    Upgrade all options in the Stock menu.
    6.4%
19. 
    Blow Up the Playing Field

    Use a secret explosive weapon to kill 10 enemies. (Agony Bolt effects negate results)
    3.4%
20. 
    Full House

    Kill 5 enemies with each type of Agony Bolt.
    3.0%
21. 
    Silent Kill

    Kill 5 enemies in a row with a sneak kill without being discovered.
    15%
22. 
    Burn, Baby, Burn!

    Kill 5 enemies with a torch.
    23%
23. 
    ...And the Corpses Mount

    Kill 30 enemies.
    47%
24. 
    Krimson PD Fury

    Kill 200 enemies.
    30%
25. 
    One Man Army

    Kill 400 enemies.
    11%
26. 
    Ammo Conservationist

    Kill 25 enemies with melee attacks.
    9.8%
27. 
    Bloody Bar Brawl

    Sneak Kill an enemy after hitting them with a bottle.
    13%
28. 
    Drop It Like It's Hot

    Kill 3 living enemies with one drop of a match.
    26%
29. 
    The Quick and the Dead

    Finish the game with a clear time of under 5:00:00
    2.3%
30. 
    It Is What It Is

    Finish the game without upgrading any skills with green gel.
    2.3%
31. 
    You Asked For It

    Finish the game on 悪夢(AKUMU) mode.
    2.7%
32. 
    À la Corvo

    Have they lost their minds? Better get past them without a fight. (Ch.2)
    3.4%
33. 
    Knife Beats Chainsaw

    His engine roars, but my knife is strong enough to take him out. (Ch.3)
    4.4%
34. 
    Home is Where the Hospice is

    That vision in the hospice... why here? Why now? (Ch. 4)
    39%
35. 
    Not Part of the Job Description

    The water's rising, but we'll get out of this without a scratch. (Ch. 5)
    5.6%
36. 
    Everybody Gets One

    Who wouldn't reach out for a man clinging for his life? (Ch. 6)
    12%
37. 
    I Don't Have Time for This!

    It won't stay dead! Better only fight when I have to. (Ch. 7)
    6.1%
38. 
    Item Management

    This cave echoes like crazy. Better put the gun away and keep quiet. (Ch. 8)
    3.1%
39. 
    Bathed in Flames

    Enough running! I'll burn her to the ground right here! (Ch. 10)
    8.4%
40. 
    Not a Scratch on Her!

    I'm not taking any chances, this bus can't take much more damage. (Ch. 12)
    2.5%
41. 
    Entry Level Electrician

    I should get this whole generator panel running just in case. (Ch. 14)
    26%
42. 
    Prank Call

    Lure an enemy with a phone call and lock them in a room. (Ch. 1)
    7.4%
43. 
    Clutch!

    Use a single trap to kill two or more enemies in The Assignment. (Ch. 2)
    4.7%
44. 
    All You Need is Axe

    Survive the duel without using any electronic devices in the environment. (Ch. 2)
    3.3%
45. 
    Death Grip

    Get a Cadaver to grab and kill a Haunted. (Ch. 2)
    3.7%
46. 
    A Different BeginningSecret

    Steam withholds the description of a secret achievement.
    9.4%
47. 
    Not as it SeemsSecret

    Steam withholds the description of a secret achievement.
    8.4%
48. 
    Doctor's Notes

    Collect all Research Documents in The Assignment.
    3.6%
49. 
    A Piece of My Past

    Collect all Personnel Files in The Assignment.
    4.7%
50. 
    A Warning

    Complete the hidden letter in The Assignment.
    3.1%
51. 
    Not Afraid of the Dark

    Clear The Assignment in KURAYAMI Mode.
    2.0%
52. 
    Fumbling in the DarkSecret

    Steam withholds the description of a secret achievement.
    2.8%
53. 
    A Real Hero

    Save Sebastian's life in the hotel. (Ch. 4)
    4.8%
54. 
    There Will Not Be Blood

    Get through the hotel without being spotted or killing any enemies. (Ch. 4)
    2.1%
55. 
    Stick to the Script

    Defeat Ruvik before the final showdown in The Consequence. (Ch. 4)
    3.7%
56. 
    Things Fall ApartSecret

    Steam withholds the description of a secret achievement.
    7.8%
57. 
    Where Do We Go From Here?Secret

    Steam withholds the description of a secret achievement.
    7.6%
58. 
    It's All Your Fault

    Collect all Research Documents in The Consequence.
    3.3%
59. 
    Becoming an Agent

    Collect all Personnel Files in The Consequence.
    4.7%
60. 
    This is Just the Beginning

    Complete the hidden letter in The Consequence.
    3.0%
61. 
    None More Dark

    Clear The Consequence in KURAYAMI Mode.
    1.9%
62. 
    Nosy ParentSecret

    Steam withholds the description of a secret achievement.
    4.5%
63. 
    Cruel and UnusualSecret

    Steam withholds the description of a secret achievement.
    2.2%
64. 
    I Might Close EarlySecret

    Steam withholds the description of a secret achievement.
    2.1%
65. 
    Krimson Chainsaw MassacreSecret

    Steam withholds the description of a secret achievement.
    2.9%
66. 
    Trapper and KeeperSecret

    Steam withholds the description of a secret achievement.
    4.0%
67. 
    Got to Destroy the BrainSecret

    Steam withholds the description of a secret achievement.
    7.8%
68. 
    Home InvasionSecret

    Steam withholds the description of a secret achievement.
    7.9%
69. 
    The Craftsman's ToolsSecret

    Steam withholds the description of a secret achievement.
    7.4%
70. 
    I've Got Box of SteelSecret

    Steam withholds the description of a secret achievement.
    2.1%
71. 
    You Had This ComingSecret

    Steam withholds the description of a secret achievement.
    2.9%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 71 of them.