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