Crownrats

1. 
   The Burrow Awakens

   Begin your first Crown Run.
   91%
2. 
   A Crown Earned

   Win your first run.
   27%
3. 
   Quick Paws

   Win a Quick Run.
   32%
4. 
   The Long Road Home

   Complete a Campaign Run.
   14%
5. 
   Crown Party

   Win a run in co-op.
   14%
6. 
   Hardened Whiskers

   Win on difficulty 3 or higher.
   14%
7. 
   Iron Teet

   Win on difficulty 5 or higher.
   9.0%
8. 
   The Seventh CrownSecret

   Steam withholds the description of a secret achievement.
   9.0%
9. 
   The Valato Oath

   Win a run with a Valato hero.
   18%
10. 
    The Axerona Spark

    Win a run with an Axerona hero.
    9.0%
11. 
    The Uvena Ember

    Win a run with a Uvena hero.
    14%
12. 
    The Benoga Hearth

    Win a run with a Benoga hero.
    14%
13. 
    The Sierz Thorn

    Win a run with a Sierz hero.
    14%
14. 
    The Kventara Tide

    Win a run with a Kventara hero.
    23%
15. 
    The Rilinum Veil

    Win a run with a Rilinum hero.
    14%
16. 
    Seven Banners, One Nest

    Win at least once with every clan.
    9.0%
17. 
    Fourteen Tails, Fourteen TalesSecret

    Steam withholds the description of a secret achievement.
    4.5%
18. 
    Snakebane

    Defeat 100 enemies.
    50%
19. 
    Colony Breaker

    Defeat 1,000 enemies.
    27%
20. 
    Legend of the Warren

    Defeat 5,000 enemies.
    14%
21. 
    Marked for the Crown

    Defeat 25 elite enemies.
    50%
22. 
    No Throne Too Larg

    Defeat 10 bosses.
    14%
23. 
    The Red Crown FallsSecret

    Steam withholds the description of a secret achievement.
    27%
24. 
    Trailblazer

    Capture 50 rooms.
    23%
25. 
    Cartographer of the Wilds

    Capture 250 rooms.
    9.0%
26. 
    Hold the Line

    Repel 10 raids.
    14%
27. 
    Break the March

    Destroy 10 enemy expeditions.
    27%
28. 
    Stories Beneath the Roots

    Resolve 25 expedition events.
    18%
29. 
    A Light in the Wilds

    Found your first outpost.
    55%
30. 
    Busy Paws

    Assign 50 workers.
    32%
31. 
    A Wall of Whiskers

    Hire 25 guards.
    14%
32. 
    Master of the Crown-Nest

    Purchase 100 building upgrades.
    0.0%
33. 
    Shard Keeper

    Collect 1,000 toxic shards.
    36%
34. 
    A Familiar Snout

    Buy 50 weapons from the market.
    27%
35. 
    Forged Together

    Merge two matching weapons.
    50%
36. 
    A Divine ImplementSecret

    Steam withholds the description of a secret achievement.
    4.5%
37. 
    The Rattling Arsenal

    Discover all 20 weapon types.
    18%
38. 
    A Second Chance

    Revive an ally.
    4.5%
39. 
    No Mouse Left Behind

    Revive allies 25 times.
    0.0%
40. 
    The Nest Reborn

    Upgrade the Crown-Nest project 10 times.
    0.0%

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 40 of them.