1.Medicine bottle on the tray turns to whiskey
2.After leaving the kitchen, creepy breathing can be heard. If you turn back, you will see a monster behind you (that disappears)
3.The wooden floor changed to black and white tiles.
4.The paintings will switch their places (corridor, after leaving the kitchen)
5.The light switches will move close to floor level.
6.Number 666 written on the doors
7.The melody on the radio changes
8. The bathroom door will open. If you enter the bathroom, there is something evil waiting for you (Unlocks the achievement about the only way to die in the game)
9. Blood leaking under one of the doors
10.Red light in the window of the first hallway - right in front of you when leaving the kitchen.
11.The drawers of the bull's furniture are open in a staircase arrangement - they will kinda look like pyramid.
12.Writing with blood on the wall
13.Hangman's rope in the hall.
14. Creepy figure appears next to the car (looking through the main entrance door glass)
15. Few huge piles of human skulls will appear in the house. Really hard to miss :P
16. The temperature will drop in the hallway. The screen will turn blue-ish and you will be able to see your breath.
17. The car outside will change (both model and will face the other direction)
18. A severed human head on the chandelier at the entrance.
19.There is an extra light bulb before entering the living room.
20.The phone will start ringing.
21.The small table next to your father will have some notes on it.
22.There is a giant eye in the window next to the TV
23. Creepy texts can be seen on the TV screen
24. There will be ball and chain on the father's leg
25. The sandwich will turn into pizza slice when your father take it from the tray.
26.The blanket on the armchair changes it's color (red)
27. Father's head will turn 360'
28. The small fan next to the TV will follow your movement.
29.The ceiling fan is spinning - usually it's switched off.
30. There is a ghost/monster on the ceiling in the living room.
31. One of the pot plants in the living room will be dead and withered
32.A red refrigerator appears in the living room, next to the two pot plants.
33.The second hand of the clock goes backwards.
34.There is a loose board that creaks when you step on it.
35. A car phantom will appear out of nowhere in the corridor. You can hear it few second before that, so be ready (jump scare)
36.The light flickers.
37.The poster for one of the other games from this studio will change to...beaver :)
38. Human head will be visible on a plate through the slightly opened door
39. There is second copy of your father (oh, nooo!) visible through the slightly opened door.
40. The three red books have changed their color to green (before the last door).
41. The device checking if you have seen anomaly will say 'Do you want to survive?'" instead.