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