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