Here is the full list of all 10 The Shopkeeper achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Listened to all the descriptions of items in the Shop.
The Customer has been decisively ignored.
Listened to all the short descriptions of items in the Shop.
You got to see the Shopkeepers bedroom.
Begin the story for the 10th time...
Listened to all the Florist had to say.
The annoyed Ending.
The uncaring Ending.
The close-but-still-not-correct Ending.
Listened to short and long description about The Rug