Scooby-Doo!: Unmasked is an action-adventure game for PlayStation 2 where players control Scooby-Doo to defeat foes and gather clues for Velma. The game features a costume mechanic, allowing Scooby to adopt various forms, each with unique abilities like kung fu and bat flying, essential for progressing through certain levels. Notably, it is the third installment in the Scooby-Doo series to include a laugh track.
The player uses Scooby-Doo to take down enemies and collect clues for Velma. Scooby-Doo can change costumes which can give him different moves such as kung-fu and fly like a bat. Without using these costumes some levels may not be possible to finish. This is the third Scooby-Doo game to feature a laugh track. In the Nintendo DS game, there are a few minigames included to make use of its touchscreen.