Here is the full list of all 64 The Herbalist achievements.
Become a Herbalist Student
Become a village Herbalist
Become a famous Alchemist
Become a Potion Master
Learn how to be a cat
Summon a tentacle monster
Create the Invisibility Potion
See magic dreams
Experience hallucinations from hunger
Keep silly useless customs
All work and no play makes Slavya a dull girl
Learning from past mistakes
Ready for marriage.
Find out where is Grandma.
See the need to clean up at the barn
Fall into a fairytale
Become reminiscent
Make something unplanned
Pancakes! Pancakes everywhere!
Wash up all the dishes.
Marinate some pickles, sugar up some jam
Craft a magical artifact
Make a Poison
Practice makes perfect
Stock up on eggs
Stock up on milk
Have every element potion in the inventory
HP, SP... Ready for action!
Prepare light decorations for the hut
Have every potion in the inventory
Have every mushroom in the inventory
Think about washing up old utensils
See the light
Feel like a lab rat
Taste all the food
Feel like a goat
Enjoy some chamomile tea
Wash the dishes
Eat some fresh pastry
Quench your thirst
4+4=(9)!
Get the power
Juggle some eggs
Earn some money digging
Dig!
Piss off your pet
Care about your pet
Ignore the cat
Gather 1000 coins
Empty out the shop
Consider buying an apple useless and return it to the shop
Widen shop's assortment with potions
Read game introduction without skipping
Put the potion-making off
Stay at home
Six-six-six!
Go to the forest to gather herbs and forget about them
Stock up on herbs
Finish the game in less than 2 weeks
Never let Slavya go hungry
Finish the game in one go
Become taller due to bunny ears
Rich life
Unspell Grandma without becoming a Potion Master