Here is the full list of all 15 Lovecraft Quest - there are A Comix Game achievements.
Create order where there was chaos before
Find the secret ending
Encounter Dagon
Escape from a Shoggoth
Get eaten by a Shoggoth
Fall into a bottomless pit
Start the story from the beginning
Perish under a cave-in
Wake up Cthulhu
Gather all the artifacts
Find an exit from the maze
Kill Dagon
Crack open the mimic chest
Solve the chess knight puzzle
Open the treasury door