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