Warhammer 40,000: Mechanicus

1. 
   This is only the beginning

   Survive the first mission
   60%
2. 
   Watch them crumble

   Defeat Agrolekh
   28%
3. 
   Celestial Cartography Catastrophe

   Defeat Ekropis
   27%
4. 
   Fleshy Disposal

   Defeat Ubjao
   21%
5. 
   Vivisected Vizier

   Defeat Mhelob
   17%
6. 
   Architect Abortion

   Defeat Neftusk
   16%
7. 
   Knowledge is power

   Have a Tech-Priest unlock a full Discipline tree
   32%
8. 
   One with the Machine

   Have a Tech-Priest unlock two full Discipline trees
   14%
9. 
   Half a cog

   Reach 50% in the awakening gauge
   25%
10. 
    No aid from the Omnissiah

    Complete a mission without using any Canticles
    59%
11. 
    Competent Cohort

    Reach a four Tech-Priest cohort
    27%
12. 
    Cohortus Maximus

    Reach a six Tech-Priest cohort
    8.0%
13. 
    Power Ranger

    Unlock Skitarii Ranger Alpha
    39%
14. 
    Galvanic Rifle

    Unlock Skitarii Ranger
    39%
15. 
    Taser Goad

    Unlock Skitarii Vanguard Alpha
    39%
16. 
    Radium Ready

    Unlock Skitarii Vanguard
    39%
17. 
    Battle Servitor

    Unlock Kataphron Breacher
    12%
18. 
    Legio Cybernetica

    Unlock Kastelan Robot
    18%
19. 
    Ding Dong Szaregon's Gone

    Defeat Szaregon
    16%
20. 
    Impatient destruction

    Defeat Szaregon before the final countdown
    14%
21. 
    Sterile Perfection

    Side with Videx
    1.8%
22. 
    Mother of Xenarites

    Side with Scaevola
    4.5%
23. 
    False God

    Find and unlock a hidden moment
    4.0%
24. 
    Hard

    Complete the game in hard mode
    3.0%
25. 
    Impossible

    Complete the game in Very Hard mode
    1.6%
26. 
    Melee Machine

    Complete the game with the setting "Melee Only" selected at the start of a game
    1.0%
27. 
    AoE-phobia

    Complete the game with the setting "AoE weapon" disabled at the start of a game
    1.0%
28. 
    Zero to Hero

    Complete the game after starting with 0 Blackstone
    1.2%
29. 
    No Omnissian Guidance

    Complete the game with the setting "Canticle number" equals 0 at the start of a game
    1.0%
30. 
    Not the Men-of-Iron

    Complete the game with the "Ironman" mode activated
    2.2%
31. 
    Perma-live

    Complete the game with the "Permadeath" mode activated
    2.1%
32. 
    Purge the HeretekSecret

    Steam withholds the description of a secret achievement.
    5.9%
33. 
    Sensory overloadSecret

    Steam withholds the description of a secret achievement.
    14%
34. 
    Transonic BlurSecret

    Steam withholds the description of a secret achievement.
    14%

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 34 of them.