Here is the full list of all 60 Curious Expedition 2 achievements.
Earn 100000 total fame
Complete 10 years of Director Mode
The Taishi Academy: Reach max club level
Complete a standard expedition (non-story) without buying anything from the Ship Shop
Find buried treasure 50 times
Complete 20 village quests
Fully complete 5 Anthropology checklists
Witness a cross-species love affair
Kill 100 hyenas
Complete an island with nothing equipped
See all campaign endings
Kill a Giant Sandworm
Put on a hat
Finish 20 three-skull expeditions
Participate in a Club Competition
Complete an island with an all-animal party (excluding leader)
Play the entire campaign without killing anything in combat
Promote a character 100 times
Ride a dinosaur
Free the salamander prince
Tame the mysterious Red Elk
Fail Director Mode
Complete Director Mode
Promote a character to max level
The Royal Avalon Society: Reach max club level
Collect 50 butterflies
Discover 500 locations
Have the Inspector return to your service
Fully complete a Cartography map on a 4-region island
Complete a year without your Standing ever dropping below zero
Complete a year of Director Mode
Finish the campaign with at least 10000 total Fame
Lux Labs: Reach max club level
Have a Pale Mask as a member of your trek
Unlock all explorer classes
Kill 30 animal groups
Finish the campaign without dying
Finish the campaign on Adventurer difficulty
Finish the campaign on Traveller difficulty
Meet a ghost
Successfully complete 100 dice challenges
Find buried treasure 10 times
Raise a dinosaur from egg to adulthood
Complete an island without resting
Complete Act III
Rob 10 Shrines
Learn a tribe type 10 times
Complete 5 islands without killing anything in combat
Complete Act II
Bring back 500 fame of items in one expedition
Complete Act I
Kill an enemy using the environment
Enter a Portal to a Corrupted world and return back
Discover 15 locations
Finish the first expedition in 1886
Win all rounds of the drinking contest
Finish the campaign on Lunatic difficulty
Get a character with 6+ mental ailments
Allow an Abomination to eat a party member
Return a Pale Mask trek member to normal