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