Scooby-Doo! Night of 100 Frights Cheats

Defeating the Green Ghost
Daphne will open coffins. When the Green Ghost hovers over an open coffin, superslam the switch.

Defeating Master Mind
He will send out robots and space kooks. Defeat them and when the electric field is down, ram the red switches, Keep repeating this until he falls off his platform. Then, dodge his robots and supersmash them. When the electric field is down again, ram the two red switches and repeat two more times.

Defeating Red Beard's Ghost
Red Beard will send out ghosts. Dodge them, then a ghost of Captain Moody will appear. He will throw his sword. Go to one of the ropes, stay until the knife cuts it, and keep repeating this attack.

Dark And Stormy Night Part 2 Help from Shaggy
If you die after getting all the keys and having Shaggy up in the coffins, when you restart the level you can talk to an invisible Shaggy and still have him help you jump and walk around in his arms. You can take him all the way through the level to the doorway.

All FMV sequences
Pause the game, then hold L + R and quickly press B, B, B, X, X, X, B, X, B.

View credits
Pause the game, then hold L + R and quickly press B, X, X, B, X, B.