Pathogenic

1. 
   Antibiotics Low

   Defeat the Heart boss on antibiotic level Low
   6.1%
2. 
   Antibiotics Mid

   Defeat the Heart boss on antibiotic level Mid
   3.2%
3. 
   Antibiotics High

   Defeat the Heart boss on antibiotic level High
   2.1%
4. 
   Antibiotics Max

   Defeat the Heart boss on antibiotic level Max
   1.4%
5. 
   Fulminant

   Complete the Fulminant experiment
   1.6%
6. 
   Photosynthesis

   Complete the Photosynthesis experiment
   2.3%
7. 
   Asymmetry

   Complete the Asymmetry experiment
   0.7%
8. 
   Excitation

   Complete the Excitation experiment
   0.5%
9. 
   God Mode

   Complete the God Mode experiment
   1.2%
10. 
    Hyperplasia

    Complete the Hyperplasia experiment
    0.6%
11. 
    Lysis

    Complete the Lysis experiment
    1.1%
12. 
    Phagocytosis

    Complete the Phagocytosis experiment
    2.5%
13. 
    Necrosis

    Complete the Necrosis experiment
    0.4%
14. 
    Plutomania

    Complete the Plutomania experiment
    0.9%
15. 
    Mutagenesis

    Complete the Mutagenesis experiment
    1.5%
16. 
    Recombination

    Complete the Recombination experiment
    2.0%
17. 
    Metamorphosis

    Complete the Metamorphosis experiment
    0.4%
18. 
    Tachycardia

    Complete the Tachycardia experiment
    0.5%
19. 
    Skin

    Defeat the Skin boss
    94%
20. 
    Intestine

    Defeat the Intestine boss
    83%
21. 
    Stomach

    Defeat the Stomach boss
    69%
22. 
    Liver

    Defeat the Liver boss
    54%
23. 
    Lung

    Defeat the Lung boss
    40%
24. 
    Heart

    Defeat the Heart boss
    28%
25. 
    Amoeba

    Defeat the Heart boss with Amoeba
    7.7%
26. 
    lil collectorSecret

    Steam withholds the description of a secret achievement.
    3.4%
27. 
    Diatom

    Defeat the Heart boss with Diatom
    1.7%
28. 
    Bacterium

    Defeat the Heart boss with Bacterium
    18%
29. 
    Nanobot

    Defeat the Heart boss with Nanobot
    8.0%
30. 
    Fungal Spore

    Defeat the Heart boss with Fungal Spore
    7.3%
31. 
    Helminth

    Defeat the Heart boss with Helminth
    10%
32. 
    BrainSecret

    Steam withholds the description of a secret achievement.
    5.6%
33. 
    Amoeba Loadout

    Fully unlock the loadout for Amoeba
    0.7%
34. 
    lil collector LoadoutSecret

    Steam withholds the description of a secret achievement.
    0.8%
35. 
    Diatom Loadout

    Fully unlock the loadout for Diatom
    0.9%
36. 
    Bacterium Loadout

    Fully unlock the loadout for Bacterium
    0.9%
37. 
    Nanobot Loadout

    Fully unlock the loadout for Nanobot
    0.9%
38. 
    Fungal Spore Loadout

    Fully unlock the loadout for Fungal Spore
    0.6%
39. 
    Helminth Loadout

    Fully unlock the loadout for Helminth
    1.0%
40. 
    OverachieverSecret

    Steam withholds the description of a secret achievement.
    0.7%
41. 
    Nyctalopia

    Complete the Nyctalopia experiment
    0.6%

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 41 of them.