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