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