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