Here is the full list of all 38 Chronicle of Innsmouth: Mountains of Madness achievements.
Defeat the Dissidents.
Au revoir, my friend.
You found the mysterious key.
Open Johnson's trunk.
Spot all the Kickstarter backers.
Find the murderer.
Identify the artifact on the first guess.
Answer as Henry would.
Akeley joined the team, too.
Check the lair of the rodent.
Solve the mysteries of Arkham.
Examine all the graves.
Find the article on Ephraim.
Talk to all the madmen.
Find the mark at the crime scene.
Use all identities during the phone call with Derlethson Press.
Persist with the professor until he snaps.
Completely examine the crime scene.
Try to grab the list without electricity.
Examine all the shelves in the library.
Examine the picture in the library.
Don't get caught by the hybrids.
Your journey starts now.
Making calls in the dark is great for one's mood.
Never use the hotspot highlighter.
Use the powder directly on Jean-Paul.
Get the shovel at night.
Solve the church puzzle on the first try.
Try to give the laxative to Paris without diluting it.
Solve the elevator puzzle in less than 10 clicks.
Die in every possible way.
Solve the lockpicking puzzle in fewer than 10 seconds.
Show the letter to Alan after talking with Calvin.
Unlock the combination of the globe on the first try.
Cheat to solve the globe combination.
Go back to Arkham.
Solve the alembic puzzle on the first try.
Maybe you should have taken those science class...