Here is the full list of all 15 Lovecraft Quest - there are A Comix Game achievements.
Gather all the artifacts
Find the secret ending
Get eaten by a Shoggoth
Escape from a Shoggoth
Encounter Dagon
Start the story from the beginning
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
Fall into a bottomless pit
Kill Dagon
Create order where there was chaos before