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