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