Here is the full list of all 63 Curious Expedition achievements.
Sell items worth 100000 funds.
Obtain 19 platinum frames.
Donate items worth 100000 fame.
Find an extraordinary friend.
Create 50 anthropological studies.
Obtain 19 golden frames.
Revive 10 trek members at altars.
Finish a full game using no sanity item other than coca leaves.
How many abominations can you handle?
Kill 20 crocodiles.
Find the unholy Blood Crown.
Blow up 50 mountains
Eat 500 chocolate rations.
Return what belongs to an altar.
Unlock 13 explorers.
Visit 5 different special regions.
Collect 50 butterflies.
Succeed in 500 expeditions.
Find all items
Recruit 20 natives.
Kill 100 hyenas.
Kill 10 giant scorpions.
Obtain a rare creature from the beast master.
Stay inside a portal world for 100 days.
Finish a full game with a secret explorer.
I just want to make sure the cat is fine.
Travel through 20 portals.
Create 50 paintings.
A chalice awaits beyond the face.
Kill 10 giant walruses.
Kill 20 giant spiders.
Recruit 5 dinosaurs.
Seeing London from above.
Complete 50 harbor quests.
Find and dig up 10 treasures using treasure maps.
Hatch 10 eggs.
Have at least 3 members of your trek be alcoholics.
There is something to find in every region.
Finish a full game and recruit nobody at the harbor or villages.
Kill 10 giant birds.
Kill a giant crab.
True lovers don't eat their loved ones.
Obtain 100 treasure items.
Hunt down and kill the legendary hyena.
Finish a full game without your standing ever dropping below 0.
Finish a full game without selling anything to the auction house.
Blow up an active volcano with dynamite.
Headbutt a raptor.
Reach world 6
Finish a full game on 2nd place.
Finish a full game on 1st place.
Defeat a slave trader and free the slaves.
Flee 10 times from combat.
Finish a full game in 3rd place.
Reach world 5
Reach world 4
Use your hot air balloon to escape an expedition.
Reach world 3
Reach world 2
Survive the tutorial.