[url=https://lparchive.org/Fatestay-night/]You don't need to play the VN[/url], someone did a Let's Play of it. Every route, bad end, and Tiger Dojo.

Feel free to ignore the Deen adaptation. It's serviceable but hey, the VN is right there. And you're going to need to read the VN stuff anyway as they won't finish animating Heavens Feel for [i]ages[/i].