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