Guest 666 and Bloxwatch, once two respected champions of Roblox, had a fateful run-in with a mysterious entity that shook their very beings to the core. As they recovered from the aftermath, they began to change. Guest 666 became distant and secretive, while Bloxwatch was filled with rage and hatred.

(you play Guest 666, who is trying to get back to his old self despite how Bloxwatch was acting.)