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