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