Here is a massive list of scary sounds from the SoundBible.com repository. A few hundred spooky and scary sounds that you can use on the go. No downloading required, just pick a sound and click play.
See all the scary sounds here.
Here is a list of some of the hundred or so sound effects that are on that page. If you decide to download and use them the license is also listed.
It may take a few seconds for all the sound previews to load, there are a ton. But after they load you should see a little green play button. Continue reading …