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