With Scooby-Doo! Who’s Watching Who, players will participate in an action-adventure under the third perspective and observe the dog Scooby-Doo. Entering the game, you and Scooby-Doo’s team will compete with the Ghost Scene Investigators team with the following rules: the gang who hunts more ghosts will win. Four levels allow you to experience. The first level is at Haunted Hotel, Scooby-Doo and Shaggy will have to search for new clues in the hotel, and at this time the ghost carriage will appear to require players to catch before the rival gang catches it. In the second level, “Sugarland,” ghostly clown will appear, creating a fierce battle between two groups to compete for clowns. With Abandoned Air Field, players will have to create three traps to capture Space Kook – a cannibal monster. The last level is “Ocean Land,” Shaggy and Scooby-Doo need to help Velma achieve a ghost ship floating on the sea. On the way to move on each level, ghosts will also appear. At the end of a degree, the number of ghosts captured is aggregated, and the winner is determined.