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