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