I'm On Observation Duty -

Watch for object movement, extra objects, object disappearances, intruders, light changes, and distorted pictures.

It sounds like you are playing the popular spot-the-difference horror game The core gameplay involves monitoring live camera feeds of a location from midnight (00:00) to 6 AM (06:00), finding anomalies, and reporting them before too many pile up. Here are some key tips for survival: I'm on Observation Duty

Do not let more than 3 anomalies be active at once, or you will lose. Watch for object movement

you're playing (e.g., I'm on Observation Duty 6: Train , School , etc.) A description of the anomaly you're seeing I can give you the specific steps to fix it. I'm on Observation Duty 6: Train