[Ydiss]

They probably got fed up with working for a game and not getting any reward for it and found something more worthwhile to do.

Most people who do that genuinely won't actually make a big announcement to the community that they're doing it they'll just stop posting and doing stuff, like I did.

Chances are their emails will be on a readme for Dogtag or CKR, I'd advise checking them out and emailing them.