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