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