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^
Defeat Omega 6 times
Get all the camp items
Craft 25 items
Unlock all the encyclopedia
Kill each enemy
See all the possible tiles
Die and resurrect 3 times in one expedition
Have 10 living skeletons in one battle
Defeat Omega
Die outside of battle
Synthesize 100 resources
Embark on your fiftieth expedition
Defeat the hunter 3 times
Transmute 50 resources into hydrogen
Defeat the Hunter
Dismantle 10 items
Dismantle 5 items
Synthesize 5 resource with alchemy
Build all the possible camp structures
Transmute 5 resources into hydrogen
Defeat the Lich 3 times
Get 10 orange items in exchange for the trophies in camp
Fill the whole map
Defeat the Priestess 3 times
Dismantle a camp structure
Craft 5 items
Find all possible types of resources
Read 50 different dialogues
Defeat the Priestess
Build the river
Unlock 50 chapters in the encyclopedia
Lose 100 resources
Die ten times
Unlock the ^Rogue^ class
Unlock a chapter in the encyclopedia
Complete 100 loops
Defeat the Lich
Drink 50 potions
Place 1000 cards
Get 5 camp items
Unlock the ^Necromancer^ class
Kill 1000 enemies
Find 100 resources
Embark on your tenth expedition
Die first time
Build the first camp structure
Kill 5 enemies
Embark on your first expedition