When their friend Eric programs a video game based on their adventures, Scooby-Doo and his friends are swept into the game, where they must avoid the Phantom Virus, make their way to the tenth level, and face the game versions of themselves to return to the real world.When their friend Eric makes a video game based on their adventures, Scooby-Doo and his friends are swept into it, where they must avoid the Phantom Virus, get to the tenth level, and face versions of themselves to return to reality.