Here is the full list of all 63 Curious Expedition achievements.
Obtain 19 golden frames.
Survive the tutorial.
Unlock 13 explorers.
Eat 500 chocolate rations.
Hatch 10 eggs.
Succeed in 500 expeditions.
Recruit 5 dinosaurs.
Collect 50 butterflies.
Recruit 20 natives.
Find and dig up 10 treasures using treasure maps.
Kill 100 hyenas.
Create 50 paintings.
Travel through 20 portals.
Visit 5 different special regions.
True lovers don't eat their loved ones.
Obtain 100 treasure items.
Kill 20 giant spiders.
Kill 10 giant birds.
Complete 50 harbor quests.
Finish a full game in 3rd place.
Finish a full game on 2nd place.
Finish a full game on 1st place.
Kill a giant crab.
Have at least 3 members of your trek be alcoholics.
Kill 10 giant scorpions.
Defeat a slave trader and free the slaves.
Reach world 6
Headbutt a raptor.
Flee 10 times from combat.
Reach world 5
Hunt down and kill the legendary hyena.
Reach world 4
Reach world 3
Use your hot air balloon to escape an expedition.
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.
Create 50 anthropological studies.
Find the unholy Blood Crown.
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.
Obtain a rare creature from the beast master.
A chalice awaits beyond the face.
There is something to find in every region.
Seeing London from above.
Finish a full game without your standing ever dropping below 0.
Blow up an active volcano with dynamite.
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.
Finish a full game and recruit nobody at the harbor or villages.
Obtain 19 platinum frames.
Find all items
Kill 20 crocodiles.
Kill 10 giant walruses.