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