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