Harry Potter and the Prisoner of Azkaban

How do I get past the whomping willow on the Game Boy edition?

Games Guru: Here’s how: Hermoine has to cast the spell of perticus totalas. Then Harry has to cast diffindo. It takes a few tries to get it right.

How do you get past the level where Neville is trapped by the ghoul?

Games Guru: Have you tried backing the ghoul up into the trap using the Lumos spell?

Where do you find all the collectors cards? They require you to get 80 total; however, the most I can get is about 70. I need help!

Games Guru: Unfortunately, I have neither the map nor the virtual space to cover the locations of all of the cards. If you explore every level carefully and open every box, you will find cards. The game is set up to make card finding a reasonably easy experience. I promise.