You can use it anywhere during the game(it is not working on splash screen). Complete list of the cheats : https://www.gamefaqs.com/pc/928708-dangerous-dave-in-the-haunted-mansion/cheats
You can use it anywhere during the game(it is not working on splash screen). Complete list of the cheats : https://www.gamefaqs.com/pc/928708-dangerous-dave-in-the-haunted-mansion/cheats