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