|Fast Facts on Sonic Xtreme Compendium|
Sonic X-treme Compendium is a website dedicated to the canceled Sonic X-treme maintained by Chris Senn. The site hosts a large amount of Chris Senn's own development materials, such as numerous storylines, character and level textures, videos, and music. There is also a small amount of material belonging to Hirokazu Yasuhara. There are also the Senntient forums that link in with the Sonic X-treme Compendium, which Chris Senn visits under the username "Kurisu".