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