Full list of all 57 Slime Rancher achievements. It takes around 25-30 hours to unlock all of the achievements in the base game on Windows.
The base game contains 43 achievements, and there are 4 DLC packs containing 14 achievements.
Let a tabby slime headbutt you right on the nose
Discovered the Quarry
Open a slime gate
Burst a gordo slime
Sell 1,000 plorts at the Plort Market
Feed pink slimes on the Ranch 10 different types of food
Earn over 5,000 newbucks
Sell 500 plorts at the Plort Market
Collect 50 plorts on the Range in a single day
Shoot food into an airborne slime's mouth
Sell 100 plorts at the Plort Market
Jump into a corral containing at least 40 slimes
Sell 2,500 plorts at the Plort Market
Sell 5,000 plorts at the Plort Market
Feed 100 chickens to slimes on the Ranch
Have 3 different fruit trees on the Ranch at the same time
Have 3 different veggie gardens on the Ranch at the same time
Earn over 25,000 newbucks
Earn over 100,000 newbucks
Earn 5,000 newbucks in a single day
Stay awake from 6 AM to 6 AM the next day
Be knocked out before 10 AM
Return to the Ranch after more than 24 hours
Feed 50 slimes on the Ranch their favorite food
Discovered the Moss Blanket
Discovered the Glass Desert
Incinerate an elder chicken
Send an adorable chick to a fiery end, the same place you're now destined to go
Put at least 50 units into each slot of a fully upgraded silo
Have a maximally upgraded corral, coop, and silo on the Ranch
Fulfill a Range Exchange request between Noon and 2 PM
Obtain at least 3 gold plorts from a single gold slime
Stand inside a rad aura for at least 15 seconds
Hold onto a tarr for 15 seconds
Shoot a boom slime largo into the air that explodes before landing
Constrain more than 15 slimes in your vac stream at once while on the range
Have at least 6 different types of slimes in the same corral
Have at least 3 different types of largos in the same corral
Fill a pond on the Ranch with at least 5 different types of slimes
Have at least 10 types of largos on the Ranch
Reach at least 10,000 newbucks in Rush Mode
Reach at least 35,000 newbucks in Rush Mode
Reach at least 75,000 newbucks in Rush Mode
Discover the Ancient Ruins
Fabricate your first Slime Science gadget
Fabricate 35 Slime Science gadgets
Fabricate 100 Slime Science gadgets
Place a tarr on the #1 Slime Stage
Score 50 points in a single game of slimeball
Join the 7Zee Rewards Club
Use chroma packs to change the color of the ranch house, tech, and vacpack
Purchase at least 10 different types of slime toys
Snare a Hunter Gordo
Start bringing life back to the Glass Desert
Complete the Slimepedia
Discover where Hobson's journey ended, and started once again.
Complete Adventure Mode and set out for what's next.