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