Rutrum

1. 
   Snake Bite

   Pop 20 Poison Vials with a single drop.
   1.3%
2. 
   Locksmith

   Unlock a legendary chest.
   72%
3. 
   Rufio! Rufio! Ru-Fi-Ooooooooo

   Buy a shovel that you previously sold that run.
   4.0%
4. 
   Dice Tower

   Reroll the shops a total of 25 times in a single run.
   2.0%
5. 
   You get nothing! You lose! Good day, sir!

   Lose a run during any wave of the final battle.
   28%
6. 
   Mushy

   Make it to the Mushroom Forest.
   86%
7. 
   Stone Icicles

   Make it to the Crystal Ribcage.
   69%
8. 
   Love BlossomedSecret

   Steam withholds the description of a secret achievement.
   57%
9. 
   Burrowed DeepSecret

   Steam withholds the description of a secret achievement.
   38%
10. 
    That Devoured All.Secret

    Steam withholds the description of a secret achievement.
    4.0%
11. 
    Once Upon A Time...Secret

    Steam withholds the description of a secret achievement.
    13%
12. 
    A Hidden LoveSecret

    Steam withholds the description of a secret achievement.
    19%
13. 
    Common Ground

    Defeat a final boss using only common-rarity shovels and handles, and no upgraded shovels.
    1.3%
14. 
    Silver Spoon

    In the final battle, bribe every wave up to the boss.
    1.3%
15. 
    Rope-a-dope

    Win a run with 15 strength or less.
    18%
16. 
    Giga Brain

    Win 2 consecutive runs, any character(s) or depth(s).
    34%
17. 
    Goldie

    Beat Hermit Turtle with Flower Girl.
    0.6%
18. 
    Final Form

    Within a battle, keep forging a Copper until it becomes a Diamond.
    15%
19. 
    Window Shopper

    Win a run without spending any gold nuggets.
    2.0%
20. 
    Cave PaintingsSecret

    Steam withholds the description of a secret achievement.
    0.0%
21. 
    Attached

    Win a run without selling an equipped shovel the entire run.
    22%
22. 
    Silver Threads and Golden Needles

    Reroll once at either shop.
    58%

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 22 of them.