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