If the goal is the "innocent" type of scaring I would move stuff around the house and make sure they can't leave it. Even changing the room placements if I can.
Now if you're gonna go the NSFW game route... there are a lot of possibilities there.
Graphically it is a 10. One of the best I've seen. But if you count in the story and the gameplay... I would give it a 7 at best. Still worth giving it a shot to see if you'll like it though.
I don't particularly dislike games with AI, I just haven't seen a good one so far. If I find a good one, maybe one where I can barely even tell its AI art, I would play it with no issues.
So, I know it is not a lot to go on, but I'm looking for an incest game where the MC returns from prison and reconnects with his daughter. I really don't remember much else of it, not even sure if it was on the +side of games or not. All I remember is that the daughter lived with her aunt while...
I think it is because incest games like this are the most successful financially. A lot of devs already start making it with the tried and true formula for success in mind.
I think it is just the taboo aspect of it, you play a lot of regular games then you want something more spicy to break the flow. But it doesn't reflect real life in any way.