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