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