What makes something scary

[Danny Boy]

ok i have found a text that might help you

"

*LESS IS MORE. Don't have monsters just attack from everywhere. Instead, have the player constantly THINK he's going to be attacked by monsters, but only rarely follow through with it. Have occasional sounds of things falling over behind you, have it so you leave one room and when you come back it's a complete mess, constantly be seeing traces of 'monsters' as they leave or something. Like as soon as you enter a room, for a split second you see a monster leaving thought the air vent, or you see a quick shadow run past your flashlight.
*Don't overdo music. Use mostly ambient effects when there's no real action going on. Silence is scary, I would make a track of just a little bit of wind, and maybe a quiet creak here and there. I would also make it so you can just barely hear the players breathing and heartbeat.
*Limit the players view. Make it so he can't see a lot. I would recommend a lighting engine and make the room very dark, and give the player a flashlight.
*LESS IS MORE
*Pop outs are most effective at completely random times. You're often expecting things to happen when you open doors or pick up strange items. Instead have the pop out happen when you're just walking down a hall, or a few seconds after you open the door/pick up the item (after the player has let down his guard)"