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