Muck

1. 
   Easy Peasy

   Beat the game on easy difficulty
   10%
2. 
   Learning the ropes

   Beat the game on normal difficulty
   5.9%
3. 
   Hardcore gamer

   Beat the game on gamer difficulty
   1.8%
4. 
   A gamer move

   Beat the game in less than 10 days on Gamer mode
   1.2%
5. 
   Speedrunner

   Beat the game in less than 8 days
   1.7%
6. 
   What the muck

   Beat the game without any players picking up a powerup
   0.7%
7. 
   Set sail

   Leave Muck
   16%
8. 
   Untouchable

   Beat the game alone without taking any damage (Normal difficulty or harder)
   0.6%
9. 
   Dream Team

   Beat the game with 2 players, but no one can take any damage (Normal diff or harder)
   0.6%
10. 
    The bois

    Beat the game with 4 players, but no one can take any damage (Normal diff or harder)
    0.6%
11. 
    Sweat and tears

    Beat the game with 8 players, but no one can take any damage (Normal diff or harder)
    0.6%
12. 
    Muckinator

    Kill 100 mobs
    36%
13. 
    Muckinator 2

    Kill 1,000 mobs
    11%
14. 
    Muckinator 3

    Kill 10,000 mobs
    0.7%
15. 
    Muckinator 4

    Kill 100,000 mobs
    0.6%
16. 
    Underdog

    Kill 250 buff mobs
    0.7%
17. 
    Bullseye

    Kill 200 enemies using bows
    1.4%
18. 
    That's not very milk of you, sir

    Kill 250 cows
    7.1%
19. 
    David vs Goliath

    Defeat big chunk
    28%
20. 
    Gronk

    Defeat Gronk
    26%
21. 
    Guardian

    Defeat Guardian
    24%
22. 
    Fearless

    Slay all bosses
    19%
23. 
    Death Wish

    Start 200 battle totems
    2.8%
24. 
    Goblin Slayer

    Slay 1000 goblins
    2.9%
25. 
    Big Mistake

    Play Muck for the first time
    95%
26. 
    Pain and suffering

    Die 10 times
    29%
27. 
    This is fine

    Die 25 times
    11%
28. 
    Muck off

    Die 50 Times
    4.0%
29. 
    Muck this game

    Die 100 Times
    1.3%
30. 
    You're not a fish

    Drown
    10%
31. 
    Treasure Hunter

    Open 500 chests
    10%
32. 
    Architect

    Build 250 builds
    6.0%
33. 
    Illegal work

    Craft 1,000 coins
    7.6%
34. 
    Go outside

    Survive for 100 days
    0.7%
35. 
    The Black Swordsman

    Wield the Night Blade
    8.0%
36. 
    Milkman

    Pick up 10 Milk powerups in one game
    6.1%
37. 
    You're a fish

    Swim 25km
    0.6%
38. 
    Team player

    Revive a teammate
    45%
39. 
    The red plumber man lied

    Eat 50 red shrooms without growing bigger
    13%
40. 
    Salty

    Kill a friend on Survival Mode
    7.1%
41. 
    Leg day

    Walk 250km
    4.3%
42. 
    I am Inevitable

    Collect all 5 gems
    4.8%
43. 
    Phoon

    Jump 10,000 times
    1.8%
44. 
    Oh you don't know what Karlson is?Secret

    Steam withholds the description of a secret achievement.
    5.5%
45. 
    Caveman

    Beat the game using only a rock as your weapon / tool. This goes for all players.
    0.7%
46. 
    Muck

    Beat the game using only a rock, taking no damage and using no powerups. This goes for all players in lobby. (Normal or harder)
    0.6%
47. 
    Chief

    Defeat Chief
    25%
48. 
    Irresistible

    Open Chiefs chest
    22%
49. 
    Public Enemy

    Kill 100 Woodmen
    4.8%

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 49 of them.