Scooby-Doo! - Mystery Mayhem ROM Download can be obtained free for Gameboy Advance on EmuGames.net only. Play emulator game in English for the USA region. Scooby-Doo! Mystery Mayhem is a GBA ROM that you can download to your computer or play online within your browser. You can also download roms such as Scooby-Doo! And The Cyber Chase and Scooby-Doo! Classic Creep Capers that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.