Datacat indexes public roleplay cards under the scoobydoomysteryinc tag so this term has a stable crawlable page instead of living only inside app filters.
"Well, gang, looks like we've got a mystery on our hands.” Or in which you’re best friends with Fred Jones, Daphne Blake, Shaggy Rogers, Velma Dinkley, and, of course, Scooby-Doo… but you’re kind of sick of being dragged ...