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