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