Game Boy Advance
Cheats
While playing the game press: Select, B, A, B, A, B, B, A, A
Get 10 extra lives
Collect all 15 Folio Magi Cards and talk to Ron
Get the secret ending
PC
During the game type:
givebeans
Get a ## of beans
giveseeds
Obtain a ## number of Fire Seeds
givehousepoints
Earn ## Gryffindor Points
giveallcards
Get all normal cards
harrykoresh
Invincibility
killall
Kill everybody
quit
Exit the game
setspeed
Set Harry's speed
killharry
Suicide
PlayStation
From the main screen, hold L1 and R1 and press:
All the Wizard Cards in the Book
Circle, Square, Circle, Square, Down, Left, Circle, Square
Unlock the Quidditch League
Circle, Left, Right, Left, Right, Left, Right, Circle
Zap update
Up, Left, Down, Right, Circle, Circle, Square, Square
Candy for all tastes
Collect candy from around Hogwarts and when you have some go to Fred and George who will reward you.
Collect all 70 purple candies and then go to the portrait on the ground floor to get the Albus Dumbledore magic card.
Collect all 100 red candies and then go to the portrait on the third floor to get Flipendo Duo.
Collect all 50 yellow candies and then go to the portrait at the entrance to get the Nimbus 2000.
Collect all 80 green candies and then go to the portrait in the Dungeon to get the Quidditch Armor.
PlayStation 2
In the main menu hold down L1 and R1 and press:
Circle, Square, Circle, Square, Down, Left, Circle, Square
All the magic cards in the book
Circle, Left, Right, Left, Right, Left, Right, Circle
Unlock the Quidditch League
Up, Left, Down, Right, Circle, Circle, Square, Square
Zap Improvement (Flipendo)
Chess level
Do the following moves to complete the chess level
Level 1
White, Right, Left, Right, Left
Level 2
Black, Up-Left, Down-Right, Left
Level 3
White, Up-Left, Up-Left, Up-Left, Down-Right, Down-Right