Harry Potter And The Chamber Of Secrets
Go to the broom shed and do a task. If you win a card press R and a screen will
appear. Press B to display the cheat menu.
Play as Crabb:
Enable the "Cheat mode" code. In the cheat menu, go the "Select Level" option.
Select Polyjuice Potion and get up to the part when you transform into Crabb.
Save the game and quit. The cheat menu will appear. Use the "Select Map" option
then go to Diagon Alley.
Get the last card without a Gamecube:
Enable the "Cheat mode" code. In the cheat menu. Choose the "Select Map" option
in the cheat menu and select Grim/