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