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