ASearch above, or try one of these.

VSScooby-Doo! Unmasked vs Scooby-Doo! Night of 100 Frights
VSScooby-Doo! Unmasked vs Scooby-Doo! Mystery Mayhem
VSScooby-Doo! Unmasked vs Scooby-Doo! Classic Creep Capers
VSScooby-Doo! Unmasked vs Drawn to Life: SpongeBob SquarePants Edition
VSScooby-Doo! Unmasked vs Disney's Kim Possible: What's the Switch?
VSScooby-Doo! Unmasked vs Scooby-Doo: Showdown in Ghost Town