Here is the full list of all 13 Gamebook Edgar A. Poe: The Oval Portrait achievements.
Choose Story Mode
Choose Explore Mode
Complete Tutorial in the Story Mode
Complete Tutorial in the Explore Mode
Listen to the little creature chirp
Run away from the bandits
Listen to an excerpt from Ann Radfcliffe's novel The Italian
Find the well
Find a chamber
Come up to the Oval Portrait
Listen to the muse story
Finish gamebook in the Story Mode
Finish gamebook in the Explore Mode