Here is the full list of all 38 Evoland 2 achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
You have solved all 8 puzzles in the library
You have re-opened the Mayenne Bridge
No trails of fire this time
You talked to 50 different NPC
Menos has joined your team!
You escaped the guards thanks to the cardbox
That's 100 bushes. You can stop now.
Fina has joined your team!
You feel like a true explorer
You have cut 10 bushes!
You have reached level 30
You played your first game of cards
You have won 50 card games!
You have found all the cards in Evoland 2!
What could possibly go wrong?
Velvet has joined your team!
You have unlocked the true power of Fina
You have unlocked the true power of Menos
You have unlocked the true power of Velvet
You have found all 30 stars!
You have found the hidden tomb
You got more than 9000 Gold
I sense a troubling past... or is it a future?
You have defeated the Prophet
You have escaped the Pirate's Lair
You have escaped the Sylphs' Forest
You have won the Campaign for Demonia
You have travelled to the Ancient Times
You have discovered the Anomaly
You have defeated J.Snow
You have recovered the Key
You have defeated Evil! Maybe.
You died to the Dreaded Creeper
You've killed 40 zombies in the Ghost Forest
You survived the Cluckety Isle
You spoke to Elizabeth
You spoke to each old hero
You found the lost Wiking