How do you onlock the safe in Scooby Doo first frights game?

To unlock the safe in "Scooby-Doo! First Frights," you need to find the combination scattered throughout the level. Look for clues and hints, often hidden in the environment or provided by characters. Once you gather all the numbers, input them into the safe in the correct order to access its contents. Make sure to explore thoroughly and interact with objects to discover all the clues!