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^
Kill each enemy
Defeat Omega 6 times
Die and resurrect 3 times in one expedition
Defeat the boss in the first expedition
Defeat the hunter 3 times
Have 10 living skeletons in one battle
Unlock all the encyclopedia
Defeat Omega
Get all the camp items
Craft 25 items
Defeat the Hunter
Unlock 50 chapters in the encyclopedia
Unlock a chapter in the encyclopedia
See all the possible tiles
Synthesize 100 resources
Build all the possible camp structures
Transmute 50 resources into hydrogen
Synthesize 5 resource with alchemy
Transmute 5 resources into hydrogen
Find all possible types of resources
Defeat the Priestess 3 times
Die outside of battle
Read 50 different dialogues
Embark on your fiftieth expedition
Craft 5 items
Fill the whole map
Get 10 orange items in exchange for the trophies in camp
Build the river
Dismantle 10 items
Defeat the Lich 3 times
Dismantle a camp structure
Dismantle 5 items
Defeat the Priestess
Unlock the ^Necromancer^ class
Get 5 camp items
Complete 100 loops
Defeat the Lich
Die ten times
Place 1000 cards
Unlock the ^Rogue^ class
Find 100 resources
Embark on your tenth expedition
Lose 100 resources
Kill 1000 enemies
Drink 50 potions
Build the first camp structure
Die first time
Kill 5 enemies
Embark on your first expedition