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