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