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