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
Defeat the Lich 3 times
Defeat the Hunter
Build the river
Fill the whole map
Defeat the Priestess
Read 50 different dialogues
Embark on your fiftieth expedition
Unlock 50 chapters in the encyclopedia
Unlock a chapter in the encyclopedia
Craft 25 items
Dismantle a camp structure
Dismantle 10 items
Dismantle 5 items
Craft 5 items
Unlock the ^Necromancer^ class
Defeat the Lich
Unlock the ^Rogue^ class
Get 5 camp items
Die ten times
Drink 50 potions
Lose 100 resources
Complete 100 loops
Find 100 resources
Place 1000 cards
Kill 1000 enemies
Embark on your tenth expedition
Die first time
Build the first camp structure
Kill 5 enemies
Embark on your first expedition
Kill each enemy
Find all possible types of resources
Build all the possible camp structures
Get all the camp items
Synthesize 5 resource with alchemy
Synthesize 100 resources
Transmute 5 resources into hydrogen
Transmute 50 resources into hydrogen
Unlock all the encyclopedia
See all the possible tiles
Die outside of battle
Defeat the Priestess 3 times
Defeat the hunter 3 times
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^