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