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