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