Peglin

1. 
   Holey Moley

   Defeat Avogadro, the Mole Boss
   84%
2. 
   End Of The Slime

   Defeat the Slime Boss
   82%
3. 
   All In All

   Defeat the Demon Wall
   73%
4. 
   Siege No More

   Defeat the Ballista Militia
   71%
5. 
   First Come, First Served

   Defeat any boss on the first turn
   35%
6. 
   Sticks And Stones

   Die during an event scenario
   8.9%
7. 
   I Said Punny, Not Puny

   Deal exactly one damage
   70%
8. 
   Don't Make Us Say It

   Deal more than 9000 damage in one shot
   40%
9. 
   Math Is My Passion

   Deal the exact damage needed to defeat an enemy
   90%
10. 
    Spring Cleaning

    Fully clear a pegboard
    63%
11. 
    Walking On Pegshells

    Hit 1000 pegs or more in one shot
    25%
12. 
    It Was Not Your Time

    Leave an enemy with just one health point
    84%
13. 
    Red Slime Green Slime

    Keep an enemy Tangled for 6 turns
    17%
14. 
    Wood you kindly?

    Defeat Avogadro's Tree before entering the Castle
    47%
15. 
    Won't Get Ruined Again

    Defeat the Qaballistic Ruins
    60%
16. 
    Sapper Sweeper

    Defeat the Super Sapper
    54%
17. 
    The Treasurer Doesn't Measure Up

    Vanquish Thesaurosus the Avaricious Dragon
    45%
18. 
    Poison IV

    Inflict 40+ Spinfection onto a single enemy
    31%
19. 
    Ballwark in a China Shop

    Win a battle with 100+ Ballwark remaining
    25%
20. 
    Slime After Slime

    Have an orb bounce between slimed pegs 7 times without touching anything else
    42%
21. 
    Some Assembly Required

    Fully assemble the Assemball
    7.9%
22. 
    Critical Thinking

    Achieve a 5x crit multiplier with the Critsomallos Fleece
    15%
23. 
    A Full Sweep

    Battle the Ballista Militia until all its minions have spawned
    14%
24. 
    Where's my membership card?!

    Buy every item and relic, and remove an orb at Haglin's Shop at Cruciball Level 10 or higher
    2.1%
25. 
    Multiballer

    Using the Matryorbshka, have 16 multiballs on screen at once
    19%
26. 
    Cruciball Courier

    Complete Cruciball Level 5
    26%
27. 
    Cruciball Captain

    Complete Cruciball Level 10
    11%
28. 
    Cruciball Commander

    Complete Cruciball Level 15
    4.5%
29. 
    New Leshy on Life

    Defeat Betsy the Leshy
    52%
30. 
    In a Prickle

    Get three Bramballs stuck in Leshy's vines at the same time
    1.7%
31. 
    Eggstravaganza

    Win a run with two eggs in your satchel
    1.6%
32. 
    Masterpieces In Pieces

    Defeat the Pigment of Imagination
    37%
33. 
    Cruciball Conqueror

    Complete Cruciball Level 20
    1.9%
34. 
    Enthralled

    Win a run after accepting the vampire's deal but skipping the infernal ingot.
    1.5%
35. 
    You did it?

    Die while defeating the Mines' boss
    1.8%
36. 
    Fragile Delivery

    Bring an Egg to the peglin chef
    4.6%
37. 
    At the End of the Rainbow

    Defeat a Rainbow Slime
    24%
38. 
    All for One

    Win a run with only your class relic
    0.5%
39. 
    One for All

    Win a run with only level 1 orbs
    1.5%
40. 
    Scholorb

    Completely fill one entry in the Encirclepedia's Bestiary
    8.7%
41. 
    Is this a card game?

    Collect your first monster trading card
    38%
42. 
    Heartburn

    Throw a Rigged Bomb after being eaten by the Slime Boss
    2.1%
43. 
    Art Connoisseur

    Defeat the Pigment of Imagination without destroying any paintings
    3.8%
44. 
    Not a Dull Wall at All

    Convert or Destroy 3 dull pegs while fighting the Demon Wall
    7.2%
45. 
    Surprised the Ruins

    Defeat all 4 Qaballistic Ruins in the same turn
    6.8%
46. 
    Minion to Winion

    Deal 1000 damage to the Super Sapper in one battle by detonating adjacent Sappers
    12%
47. 
    Master Burglar

    Defeat Thesaurosus with no coins remaining in the pegboard
    3.7%
48. 
    From Whence You Came

    Send a summoned demon squirrel into a black hole
    2.1%
49. 
    Taste the Painbow

    Defeat the Painbow (slime)
    3.1%
50. 
    All Eye On YouSecret

    Steam withholds the description of a secret achievement.
    3.2%
51. 
    Phase BreakerSecret

    Steam withholds the description of a secret achievement.
    1.7%
52. 
    Egg On Your FaceSecret

    Steam withholds the description of a secret achievement.
    0.3%

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 52 of them.