Here is the full list of all 11 The Hat Man: Shadow Ward achievements.
Finish the game without loading a saved game and without saving along the way
Listen to the radio for 30 seconds
Be in the same room as the Hat Man 10 times
Kill 4 shadow people with the flashlight in the bedroom
Finish the game without loading a saved game
Save your daughter and escape
Finish the game in under an hour
Finish the game in under 45 minutes
Finish the game in under 30 minutes
Run into 50 shadow people
Listen to your daughter read all the pages of her journal in a game