Atomic Heart

1. 
   The Motherland Does Not Forget its Heroes

   Unlock all achievements
   1.6%
2. 
   Strike

   Kill Hedgie without making a single shot / destroy all statues
   2.6%
3. 
   Medium Rare

   Kill Belyash
   35%
4. 
   Make It Go Round

   Kill Hedgie
   45%
5. 
   Plyusch Rush

   Kill Plyusch
   40%
6. 
   Show's Over

   Kill Natasha
   33%
7. 
   Dew Point

   Kill Dewdrop
   31%
8. 
   Murderous Beauty

   Kill Twins
   29%
9. 
   Chop Chop Chop

   Kill Belyash with a melee weapon
   4.2%
10. 
    Happy Polymerization Day!

    Fly out of Chelomey
    92%
11. 
    Pistils and Stamens

    Get out of Vavilov
    53%
12. 
    Tickets, Please!

    Take a train at the Lesnaya Maglev train station
    47%
13. 
    Quite an Achievement

    Clear the VDNH complex
    39%
14. 
    Curtain

    Finish a theater performance
    31%
15. 
    Medical Checkup

    Get to a hospital
    30%
16. 
    Freedom Reflex

    Explore Pavlov
    29%
17. 
    Kommunism 2.0

    Find out the AoC's secret
    28%
18. 
    Atomic Heart

    Complete the game on Armageddon
    4.1%
19. 
    Artisan

    Create a weapon in a crafting machine
    69%
20. 
    Weapon Master

    Create five types of weapons
    32%
21. 
    Lord of War

    Collect all weapons
    9.4%
22. 
    Chemist

    Craft consumables of all types
    4.3%
23. 
    Polymerization

    Collect 100 jelly
    68%
24. 
    Apple Pie

    Pick all apples in Limbo
    15%
25. 
    The Great Inventor

    Upgrade a weapon to the maximum level
    24%
26. 
    Lefthand Mastery

    Fully upgrade one skill tree
    39%
27. 
    How Can I Help You?

    Use a phone booth at Chelomey
    10%
28. 
    Beast Friend

    Find all talking dead animals
    4.8%
29. 
    The Necromancer

    Talk to every dead
    1.7%
30. 
    Burning Ears

    Find all Chirpers
    2.4%
31. 
    More Than Profit

    Find all Lootyagins
    10%
32. 
    Explorer

    Find a testing ground
    11%
33. 
    Clean-up

    Complete all testing grounds
    11%
34. 
    Scanner

    Scan all mobs
    21%
35. 
    Avatar

    Kill 10 burning enemies, 10 electrified enemies, and 10 frozen enemies
    23%
36. 
    Hothead

    Get 25 kills with headshots using the PM
    23%
37. 
    Below Zero

    Freeze a Vova mid-air
    10%
38. 
    Assimilation Procedure Interrupted

    Don't let a sprout grow into a mutant
    42%
39. 
    Bull's Eye!

    Use Telekinesis to throw an object and knock down an Owl
    7.0%
40. 
    Alcoholics Anonymous

    Get drunk with vodka and kill 5 enemies
    9.0%
41. 
    Triple Penetration

    Kill 3 or more enemies with a single Railgun shot
    6.7%
42. 
    Hands on the Hood

    Hit 20 enemies by a car
    23%
43. 
    Weird Science

    Get into the ORB lab
    11%
44. 
    Lord of the Flies

    Use a Strekoza for the first time
    9.1%
45. 
    A Girl's Best Friend

    Send all BEA-Ds to NORA's brain
    9.1%
46. 
    Return to Utopia

    Complete the Annihilation Instinct DLC
    8.8%
47. 
    Divide et Impera

    Separate several combined BEA-Ds with one shot from the Secateur
    7.6%
48. 
    Time in a Bottle

    Kill 3 enemies while using technostasis
    9.3%
49. 
    John Silver's Crew

    Kill 3 M4D-5 robots in a row while they're hopping on one foot
    11%
50. 
    Ultimate Storm

    Destroy 15 enemies using the neuropolymeric launch module
    14%
51. 
    Maximum Strength

    Upgrade the Klusha and Secateur to max
    4.0%
52. 
    Apple Pie 3826

    Collect 3,826 apples in the Trapped in Limbo DLC
    3.6%
53. 
    Conservationist

    Get a gold coin without shooting the Pchela
    1.1%
54. 
    The Casino Isn't Always in the Black

    Get ALL items from the slot machine
    2.0%
55. 
    Slashing Through the Limbo Waves

    Complete the Plateau of Responsibility without dying
    1.0%
56. 
    Conqueror of Annapurna

    Complete the Tower of Memory without dying
    1.1%
57. 
    Conqueror of Chomolungma

    Complete the Cliff of Perseverance without dying
    1.0%
58. 
    Daring as a Bullet is Sharp

    Complete the Avenue of Speed without dying
    1.2%
59. 
    Don't Mess With the Major

    Complete the Trapped in Limbo DLC without dying
    0.9%
60. 
    Gold Rush

    Collect 76 gold coins
    1.1%
61. 
    OverkillSecret

    Steam withholds the description of a secret achievement.
    1.0%
62. 
    Moby Dick

    While standing by the window, listen to a chirper narrating the story of the mysterious tune
    1.0%
63. 
    Master of Survival

    Find all the Hunter's stashes
    1.7%
64. 
    Demonstration of Violence

    Destroy the Robogirl at Chelomey
    8.6%
65. 
    And now—CHAR-les

    Complete the story DLC
    7.5%
66. 
    Water Sports

    Toss the ball back and forth with the dolphin three times
    2.9%
67. 
    You've Read the Manual!

    Pull yourself close to your enemy with the Whip
    9.1%
68. 
    I'm here if you need to talk

    Talk to Terentiy
    8.5%
69. 
    Hic Sunt Dracones

    Swim beyond the underwater world's borders, ignoring warnings
    1.4%
70. 
    Marco... Polo!

    Fall in the water at Wave and get killed by Morays
    3.3%
71. 
    Final Burn-down

    Destroy all of the infected plants on the submarine
    2.1%
72. 
    Let's Shake on It!

    Exterminate the RACCOON boss
    5.0%
73. 
    Validol's Our Bro

    Complete Validol's mission peacefully
    3.5%
74. 
    Fluffy Easter Egg

    Find the secret room with the fluffball
    2.0%
75. 
    Better Late Than Never

    Find the dolphin figurine in the secret room
    2.4%
76. 
    Secret Meeting

    Open the secret room with observers
    1.2%
77. 
    Terminator's Death

    Use an industrial press to destroy robots
    4.0%
78. 
    Clean in Two

    Defeat the Second Twin
    4.5%
79. 
    For Chief's a Jolly Good Fellow

    Save Sechenov
    4.4%
80. 
    Farewell, Old Friend

    Beat CHAR-les
    4.4%
81. 
    This Is the End

    Complete the story DLC
    4.4%
82. 
    Crystal Platinum

    Collect all of the figurines hidden in the complex
    0.7%

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 82 of them.