Some download services are more focused on downloading videos/audios from YouTube. Farkie can be used to download flash games from game sites so you can play them offline. If you’re downloading from YouTube, you can immediately convert the video file to MP3 and other formats. If you’re a Firefox user you can install their Firefox Add-on and perform the scraping from your toolbar.
Here’s a short video tutorial to give you an idea on how to use the Farkie.