Stackmon

1. 
   New Companion

   Capture your first Stackmon
   88%
2. 
   Foil Chaser

   Capture your first Foil Stackmon
   68%
3. 
   Shiny Tracker

   Capture your first Shiny Stackmon
   51%
4. 
   Legendary Tamer

   Capture your first Stacka
   35%
5. 
   First Battle

   Defeat your first Scout Rival
   86%
6. 
   Soot Purifier

   Close your first Soot Rift
   44%
7. 
   Life Creator

   Breed your first Stackmon
   7.6%
8. 
   Foil Creator

   Create your first foil Stackmon
   10%
9. 
   Learning & Evolving

   Evolve a Stackmon
   70%
10. 
    Architect

    Build your first Structure
    87%
11. 
    Plant Medal

    Win the Plant Medal
    68%
12. 
    Rock Medal

    Win the Rock Medal
    52%
13. 
    Fire Medal

    Win the Fire Medal
    38%
14. 
    Water Medal

    Win the Water Medal
    25%
15. 
    Aether Medal

    Win the Aether Medal
    19%
16. 
    Thunder Medal

    Win the Thunder Medal
    15%
17. 
    Soot Medal

    Win the Soot Medal
    11%
18. 
    Experienced Combatent

    Defeat 100 Stackmons
    47%
19. 
    Experienced Rival

    Defeat 40 Rival Scouts
    51%
20. 
    Helping Gaia

    Complete 20 Missions
    64%
21. 
    Rich Scout

    Earn 500 Stack-Money by selling cards
    44%
22. 
    Compulsive Buyer

    Buy 100 Booster Packs
    46%
23. 
    Forger

    Upgrade an equipment to level +3
    15%
24. 
    Evolving & Learning

    Evolve 15 Stackmons
    13%
25. 
    Engineer

    Upgrade a Structure to level +2
    52%
26. 
    Eureka!

    Discover 30 Recipes
    65%
27. 
    Creature Spotter

    See all Stackmons
    4.0%
28. 
    Creature Collector

    Capture all Stackmons
    3.5%
29. 
    Legendary Power

    Capture all Stackas
    7.4%
30. 
    Gaia's HeroSecret

    Steam withholds the description of a secret achievement.
    10%
31. 
    No Pain no Gain

    Reach max level with a Stackmon
    10%
32. 
    Water Chaser

    Capture all Water Stackmons
    4.4%
33. 
    Plant Chaser

    Capture all Plant Stackmons
    4.2%
34. 
    Fire Chaser

    Capture all Fire Stackmons
    4.0%
35. 
    Rock Chaser

    Capture all Rock Stackmons
    4.2%
36. 
    Thunder Chaser

    Capture all Thunder Stackmons
    3.8%
37. 
    Aether Chaser

    Capture all Aether Stackmons
    4.0%
38. 
    Neutral Chaser

    Capture all Neutral Stackmons
    3.9%
39. 
    No more Rift Points

    Close All Soot Rifts
    6.9%

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 39 of them.