Here is the full list of all 50 Loop Hero achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Defeat the hunter 3 times
Unlock all the encyclopedia
Kill each enemy
Craft 25 items
Build all the possible camp structures
Die outside of battle
Defeat Omega
Get 10 orange items in exchange for the trophies in camp
See all the possible tiles
Unlock 50 chapters in the encyclopedia
Defeat the Hunter
Synthesize 100 resources
Dismantle 10 items
Dismantle 5 items
Defeat the Priestess 3 times
Unlock a chapter in the encyclopedia
Dismantle a camp structure
Build the river
Synthesize 5 resource with alchemy
Transmute 50 resources into hydrogen
Transmute 5 resources into hydrogen
Find all possible types of resources
Fill the whole map
Defeat the Priestess
Read 50 different dialogues
Embark on your fiftieth expedition
Defeat the Lich 3 times
Craft 5 items
Die ten times
Defeat the Lich
Get 5 camp items
Unlock the ^Necromancer^ class
Lose 100 resources
Complete 100 loops
Drink 50 potions
Place 1000 cards
Kill 1000 enemies
Unlock the ^Rogue^ class
Find 100 resources
Embark on your tenth expedition
Embark on your first expedition
Die first time
Kill 5 enemies
Build the first camp structure
Get all the camp items
Defeat Omega 6 times
Die and resurrect 3 times in one expedition
Have 10 living skeletons in one battle
Defeat the boss in the first expedition
Place 10 cards you didn't have in your deck, not counting ^Oblivion^