In Chapter 7, Adrienne finds her laptop smashed. However, after that scene is over and she is back in player control, facing the doorway, the laptop has vanished.
When the Demon knocks Don to the floor and Adrienne runs to him, Don's hair is disheveled. However, when they exit the darkroom and into the hallway, Don's hair is combed and in a ponytail.
When Adrienne visits Harriet and Cyrus in the barn in Chapter 6, Harriet is tying up her bag. When she has fully tied it, she starts retying it.
In the final sequence of the game, the corpse of Carno is laying on the floor in front of the pulpit. A couple of cuts later, the corpse has vanished not to return for the remainder of the game.
Above the fireplace in the dining room there is a portrait. When looking at the mirror to see the reflection of the room, the portrait is changed.
One of pages of Lou Ann's scrapbook says that Carno stayed in hospital for two weeks, but next page says that he left the hospital after about eight days.
The room in which Malcolm used to live as a child has a bar on the outside of its door, but the door opens to the inside of the room - so the bar is useless.
When Adrienne exits the general store, the Open/Close sign shows that the store is actually closed when it is open.
Adrienne finds photos of herself in Don's darkroom, but none of the photos has actual background of the house.
The key to the top floor is on the other side of the door. Since there is no other way to enter this floor, it is unclear how was the door locked.
If Adrienne examines the magic book any time before Don takes it, she just turns some pages and mentions that "it has been long since Latin class". However, during that altar room scene, it takes her very shortly to find the correct page with the spell she needs, and suddenly she become almost fluent in Latin.