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